642907399966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1\times {\mathrm{28603}}^1$

素因数の和:29081

約数の個数: 64

約数和(自身を含む): 1088727736320

約数和(自身を除く): 445820336354

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 353, 403, 706, 806, 1027, 2054, 2449, 4589, 4898, 9178, 10943, 21886, 27887, 28603, 31837, 55774, 57206, 63674, 142259, 284518, 362531, 371839, 725062, 743678, 864497, 886693, 1728994, 1773386, 2259637, 4519274, 10096859, 11238461, 11527009, 20193718, 22476922, 23054018, 29375281, 58750562, 70048747, 131259167, 140097494, 262518334, 313002629, 626005258, 797651861, 910633711, 1595303722, 1821267422, 4069034177, 8138068354, 10369474193, 20738948386, 24727207691, 49454415382, 321453699983, 642907399966]

約数ペア:

[(1, 642907399966), (2, 321453699983), (13, 49454415382), (26, 24727207691), (31, 20738948386), (62, 10369474193), (79, 8138068354), (158, 4069034177), (353, 1821267422), (403, 1595303722), (706, 910633711), (806, 797651861), (1027, 626005258), (2054, 313002629), (2449, 262518334), (4589, 140097494), (4898, 131259167), (9178, 70048747), (10943, 58750562), (21886, 29375281), (27887, 23054018), (28603, 22476922), (31837, 20193718), (55774, 11527009), (57206, 11238461), (63674, 10096859), (142259, 4519274), (284518, 2259637), (362531, 1773386), (371839, 1728994), (725062, 886693), (743678, 864497)]