85816172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 172904256

約数和(自身を除く): 87088084

約数列:

[1, 2, 4, 13, 26, 37, 47, 52, 73, 74, 94, 146, 148, 169, 188, 292, 338, 481, 611, 676, 949, 962, 1222, 1739, 1898, 1924, 2444, 2701, 3431, 3478, 3796, 5402, 6253, 6862, 6956, 7943, 10804, 12337, 12506, 13724, 15886, 22607, 24674, 25012, 31772, 35113, 44603, 45214, 49348, 70226, 89206, 90428, 126947, 140452, 178412, 253894, 293891, 456469, 507788, 579839, 587782, 912938, 1159678, 1175564, 1650311, 1825876, 2319356, 3300622, 6601244, 21454043, 42908086, 85816172]

約数ペア:

[(1, 85816172), (2, 42908086), (4, 21454043), (13, 6601244), (26, 3300622), (37, 2319356), (47, 1825876), (52, 1650311), (73, 1175564), (74, 1159678), (94, 912938), (146, 587782), (148, 579839), (169, 507788), (188, 456469), (292, 293891), (338, 253894), (481, 178412), (611, 140452), (676, 126947), (949, 90428), (962, 89206), (1222, 70226), (1739, 49348), (1898, 45214), (1924, 44603), (2444, 35113), (2701, 31772), (3431, 25012), (3478, 24674), (3796, 22607), (5402, 15886), (6253, 13724), (6862, 12506), (6956, 12337), (7943, 10804)]