81798496

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 186278400

約数和(自身を除く): 104479904

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 79, 104, 131, 152, 158, 208, 247, 262, 304, 316, 416, 494, 524, 608, 632, 988, 1027, 1048, 1264, 1501, 1703, 1976, 2054, 2096, 2489, 2528, 3002, 3406, 3952, 4108, 4192, 4978, 6004, 6812, 7904, 8216, 9956, 10349, 12008, 13624, 16432, 19513, 19912, 20698, 24016, 27248, 32357, 32864, 39026, 39824, 41396, 48032, 54496, 64714, 78052, 79648, 82792, 129428, 134537, 156104, 165584, 196631, 258856, 269074, 312208, 331168, 393262, 517712, 538148, 624416, 786524, 1035424, 1076296, 1573048, 2152592, 2556203, 3146096, 4305184, 5112406, 6292192, 10224812, 20449624, 40899248, 81798496]

約数ペア:

[(1, 81798496), (2, 40899248), (4, 20449624), (8, 10224812), (13, 6292192), (16, 5112406), (19, 4305184), (26, 3146096), (32, 2556203), (38, 2152592), (52, 1573048), (76, 1076296), (79, 1035424), (104, 786524), (131, 624416), (152, 538148), (158, 517712), (208, 393262), (247, 331168), (262, 312208), (304, 269074), (316, 258856), (416, 196631), (494, 165584), (524, 156104), (608, 134537), (632, 129428), (988, 82792), (1027, 79648), (1048, 78052), (1264, 64714), (1501, 54496), (1703, 48032), (1976, 41396), (2054, 39824), (2096, 39026), (2489, 32864), (2528, 32357), (3002, 27248), (3406, 24016), (3952, 20698), (4108, 19912), (4192, 19513), (4978, 16432), (6004, 13624), (6812, 12008), (7904, 10349), (8216, 9956)]