81958448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 188800416

約数和(自身を除く): 106841968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 113, 143, 176, 208, 226, 286, 317, 452, 572, 634, 904, 1144, 1243, 1268, 1469, 1808, 2288, 2486, 2536, 2938, 3487, 4121, 4972, 5072, 5876, 6974, 8242, 9944, 11752, 13948, 16159, 16484, 19888, 23504, 27896, 32318, 32968, 35821, 45331, 55792, 64636, 65936, 71642, 90662, 129272, 143284, 181324, 258544, 286568, 362648, 394031, 465673, 573136, 725296, 788062, 931346, 1576124, 1862692, 3152248, 3725384, 5122403, 6304496, 7450768, 10244806, 20489612, 40979224, 81958448]

約数ペア:

[(1, 81958448), (2, 40979224), (4, 20489612), (8, 10244806), (11, 7450768), (13, 6304496), (16, 5122403), (22, 3725384), (26, 3152248), (44, 1862692), (52, 1576124), (88, 931346), (104, 788062), (113, 725296), (143, 573136), (176, 465673), (208, 394031), (226, 362648), (286, 286568), (317, 258544), (452, 181324), (572, 143284), (634, 129272), (904, 90662), (1144, 71642), (1243, 65936), (1268, 64636), (1469, 55792), (1808, 45331), (2288, 35821), (2486, 32968), (2536, 32318), (2938, 27896), (3487, 23504), (4121, 19888), (4972, 16484), (5072, 16159), (5876, 13948), (6974, 11752), (8242, 9944)]