639185736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1435

約数の個数: 128

約数和(自身を含む): 1898588160

約数和(自身を除く): 1259402424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 71, 82, 84, 123, 142, 164, 168, 213, 246, 284, 287, 328, 426, 492, 497, 568, 574, 852, 861, 984, 994, 1148, 1307, 1491, 1704, 1722, 1988, 2296, 2614, 2911, 2982, 3444, 3921, 3976, 5228, 5822, 5964, 6888, 7842, 8733, 9149, 10456, 11644, 11928, 15684, 17466, 18298, 20377, 23288, 27447, 31368, 34932, 36596, 40754, 53587, 54894, 61131, 69864, 73192, 81508, 92797, 107174, 109788, 122262, 160761, 163016, 185594, 214348, 219576, 244524, 278391, 321522, 371188, 375109, 428696, 489048, 556782, 643044, 649579, 742376, 750218, 1113564, 1125327, 1286088, 1299158, 1500436, 1948737, 2227128, 2250654, 2598316, 3000872, 3804677, 3897474, 4501308, 5196632, 7609354, 7794948, 9002616, 11414031, 15218708, 15589896, 22828062, 26632739, 30437416, 45656124, 53265478, 79898217, 91312248, 106530956, 159796434, 213061912, 319592868, 639185736]

約数ペア:

[(1, 639185736), (2, 319592868), (3, 213061912), (4, 159796434), (6, 106530956), (7, 91312248), (8, 79898217), (12, 53265478), (14, 45656124), (21, 30437416), (24, 26632739), (28, 22828062), (41, 15589896), (42, 15218708), (56, 11414031), (71, 9002616), (82, 7794948), (84, 7609354), (123, 5196632), (142, 4501308), (164, 3897474), (168, 3804677), (213, 3000872), (246, 2598316), (284, 2250654), (287, 2227128), (328, 1948737), (426, 1500436), (492, 1299158), (497, 1286088), (568, 1125327), (574, 1113564), (852, 750218), (861, 742376), (984, 649579), (994, 643044), (1148, 556782), (1307, 489048), (1491, 428696), (1704, 375109), (1722, 371188), (1988, 321522), (2296, 278391), (2614, 244524), (2911, 219576), (2982, 214348), (3444, 185594), (3921, 163016), (3976, 160761), (5228, 122262), (5822, 109788), (5964, 107174), (6888, 92797), (7842, 81508), (8733, 73192), (9149, 69864), (10456, 61131), (11644, 54894), (11928, 53587), (15684, 40754), (17466, 36596), (18298, 34932), (20377, 31368), (23288, 27447)]