164040344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 375943680

約数和(自身を除く): 211903336

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 41, 52, 62, 68, 73, 82, 104, 124, 136, 146, 164, 221, 248, 292, 328, 403, 442, 527, 533, 584, 697, 806, 884, 949, 1054, 1066, 1241, 1271, 1394, 1612, 1768, 1898, 2108, 2132, 2263, 2482, 2542, 2788, 2993, 3224, 3796, 4216, 4264, 4526, 4964, 5084, 5576, 5986, 6851, 7592, 9052, 9061, 9928, 10168, 11972, 13702, 16133, 16523, 18104, 18122, 21607, 23944, 27404, 29419, 32266, 33046, 36244, 38471, 38909, 43214, 50881, 54808, 58838, 64532, 66092, 72488, 76942, 77818, 86428, 92783, 101762, 117676, 129064, 132184, 153884, 155636, 172856, 185566, 203524, 235352, 280891, 307768, 311272, 371132, 407048, 500123, 561782, 661453, 742264, 1000246, 1123564, 1206179, 1322906, 1577311, 2000492, 2247128, 2412358, 2645812, 3154622, 4000984, 4824716, 5291624, 6309244, 9649432, 12618488, 20505043, 41010086, 82020172, 164040344]

約数ペア:

[(1, 164040344), (2, 82020172), (4, 41010086), (8, 20505043), (13, 12618488), (17, 9649432), (26, 6309244), (31, 5291624), (34, 4824716), (41, 4000984), (52, 3154622), (62, 2645812), (68, 2412358), (73, 2247128), (82, 2000492), (104, 1577311), (124, 1322906), (136, 1206179), (146, 1123564), (164, 1000246), (221, 742264), (248, 661453), (292, 561782), (328, 500123), (403, 407048), (442, 371132), (527, 311272), (533, 307768), (584, 280891), (697, 235352), (806, 203524), (884, 185566), (949, 172856), (1054, 155636), (1066, 153884), (1241, 132184), (1271, 129064), (1394, 117676), (1612, 101762), (1768, 92783), (1898, 86428), (2108, 77818), (2132, 76942), (2263, 72488), (2482, 66092), (2542, 64532), (2788, 58838), (2993, 54808), (3224, 50881), (3796, 43214), (4216, 38909), (4264, 38471), (4526, 36244), (4964, 33046), (5084, 32266), (5576, 29419), (5986, 27404), (6851, 23944), (7592, 21607), (9052, 18122), (9061, 18104), (9928, 16523), (10168, 16133), (11972, 13702)]