131170984

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 314265600

約数和(自身を除く): 183094616

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 47, 56, 61, 76, 86, 94, 122, 133, 152, 172, 188, 244, 266, 301, 329, 344, 376, 427, 488, 532, 602, 658, 817, 854, 893, 1064, 1159, 1204, 1316, 1634, 1708, 1786, 2021, 2318, 2408, 2623, 2632, 2867, 3268, 3416, 3572, 4042, 4636, 5246, 5719, 5734, 6251, 6536, 7144, 8084, 8113, 9272, 10492, 11438, 11468, 12502, 14147, 16168, 16226, 18361, 20069, 20984, 22876, 22936, 25004, 28294, 32452, 36722, 38399, 40138, 45752, 49837, 50008, 54473, 56588, 64904, 73444, 76798, 80276, 99674, 108946, 113176, 123281, 146888, 153596, 160552, 199348, 217892, 246562, 268793, 307192, 348859, 381311, 398696, 435784, 493124, 537586, 697718, 762622, 862967, 986248, 1075172, 1395436, 1525244, 1725934, 2150344, 2342339, 2790872, 3050488, 3451868, 4684678, 6903736, 9369356, 16396373, 18738712, 32792746, 65585492, 131170984]

約数ペア:

[(1, 131170984), (2, 65585492), (4, 32792746), (7, 18738712), (8, 16396373), (14, 9369356), (19, 6903736), (28, 4684678), (38, 3451868), (43, 3050488), (47, 2790872), (56, 2342339), (61, 2150344), (76, 1725934), (86, 1525244), (94, 1395436), (122, 1075172), (133, 986248), (152, 862967), (172, 762622), (188, 697718), (244, 537586), (266, 493124), (301, 435784), (329, 398696), (344, 381311), (376, 348859), (427, 307192), (488, 268793), (532, 246562), (602, 217892), (658, 199348), (817, 160552), (854, 153596), (893, 146888), (1064, 123281), (1159, 113176), (1204, 108946), (1316, 99674), (1634, 80276), (1708, 76798), (1786, 73444), (2021, 64904), (2318, 56588), (2408, 54473), (2623, 50008), (2632, 49837), (2867, 45752), (3268, 40138), (3416, 38399), (3572, 36722), (4042, 32452), (4636, 28294), (5246, 25004), (5719, 22936), (5734, 22876), (6251, 20984), (6536, 20069), (7144, 18361), (8084, 16226), (8113, 16168), (9272, 14147), (10492, 12502), (11438, 11468)]