131217984

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 168

約数和(自身を含む): 397507968

約数和(自身を除く): 266289984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 47, 48, 64, 72, 74, 94, 96, 111, 131, 141, 144, 148, 188, 192, 222, 262, 282, 288, 296, 333, 376, 393, 423, 444, 524, 564, 576, 592, 666, 752, 786, 846, 888, 1048, 1128, 1179, 1184, 1332, 1504, 1572, 1692, 1739, 1776, 2096, 2256, 2358, 2368, 2664, 3008, 3144, 3384, 3478, 3552, 4192, 4512, 4716, 4847, 5217, 5328, 6157, 6288, 6768, 6956, 7104, 8384, 9024, 9432, 9694, 10434, 10656, 12314, 12576, 13536, 13912, 14541, 15651, 18471, 18864, 19388, 20868, 21312, 24628, 25152, 27072, 27824, 29082, 31302, 36942, 37728, 38776, 41736, 43623, 49256, 55413, 55648, 58164, 62604, 73884, 75456, 77552, 83472, 87246, 98512, 110826, 111296, 116328, 125208, 147768, 155104, 166944, 174492, 197024, 221652, 227809, 232656, 250416, 295536, 310208, 333888, 348984, 394048, 443304, 455618, 465312, 500832, 591072, 683427, 697968, 886608, 911236, 930624, 1001664, 1182144, 1366854, 1395936, 1773216, 1822472, 2050281, 2733708, 2791872, 3546432, 3644944, 4100562, 5467416, 7289888, 8201124, 10934832, 14579776, 16402248, 21869664, 32804496, 43739328, 65608992, 131217984]

約数ペア:

[(1, 131217984), (2, 65608992), (3, 43739328), (4, 32804496), (6, 21869664), (8, 16402248), (9, 14579776), (12, 10934832), (16, 8201124), (18, 7289888), (24, 5467416), (32, 4100562), (36, 3644944), (37, 3546432), (47, 2791872), (48, 2733708), (64, 2050281), (72, 1822472), (74, 1773216), (94, 1395936), (96, 1366854), (111, 1182144), (131, 1001664), (141, 930624), (144, 911236), (148, 886608), (188, 697968), (192, 683427), (222, 591072), (262, 500832), (282, 465312), (288, 455618), (296, 443304), (333, 394048), (376, 348984), (393, 333888), (423, 310208), (444, 295536), (524, 250416), (564, 232656), (576, 227809), (592, 221652), (666, 197024), (752, 174492), (786, 166944), (846, 155104), (888, 147768), (1048, 125208), (1128, 116328), (1179, 111296), (1184, 110826), (1332, 98512), (1504, 87246), (1572, 83472), (1692, 77552), (1739, 75456), (1776, 73884), (2096, 62604), (2256, 58164), (2358, 55648), (2368, 55413), (2664, 49256), (3008, 43623), (3144, 41736), (3384, 38776), (3478, 37728), (3552, 36942), (4192, 31302), (4512, 29082), (4716, 27824), (4847, 27072), (5217, 25152), (5328, 24628), (6157, 21312), (6288, 20868), (6768, 19388), (6956, 18864), (7104, 18471), (8384, 15651), (9024, 14541), (9432, 13912), (9694, 13536), (10434, 12576), (10656, 12314)]