81893110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 168739200

約数和(自身を除く): 86846090

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 61, 65, 115, 122, 130, 230, 299, 305, 449, 598, 610, 793, 898, 1403, 1495, 1586, 2245, 2806, 2990, 3965, 4490, 5837, 7015, 7930, 10327, 11674, 14030, 18239, 20654, 27389, 29185, 36478, 51635, 54778, 58370, 91195, 103270, 134251, 136945, 182390, 268502, 273890, 356057, 629947, 671255, 712114, 1259894, 1342510, 1780285, 3149735, 3560570, 6299470, 8189311, 16378622, 40946555, 81893110]

約数ペア:

[(1, 81893110), (2, 40946555), (5, 16378622), (10, 8189311), (13, 6299470), (23, 3560570), (26, 3149735), (46, 1780285), (61, 1342510), (65, 1259894), (115, 712114), (122, 671255), (130, 629947), (230, 356057), (299, 273890), (305, 268502), (449, 182390), (598, 136945), (610, 134251), (793, 103270), (898, 91195), (1403, 58370), (1495, 54778), (1586, 51635), (2245, 36478), (2806, 29185), (2990, 27389), (3965, 20654), (4490, 18239), (5837, 14030), (7015, 11674), (7930, 10327)]