201553578

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 461592612

約数和(自身を除く): 260039034

約数列:

[1, 2, 3, 6, 9, 18, 37, 47, 74, 94, 111, 137, 141, 222, 274, 282, 333, 411, 423, 666, 822, 846, 1233, 1739, 2209, 2466, 3478, 4418, 5069, 5217, 6439, 6627, 10138, 10434, 12878, 13254, 15207, 15651, 19317, 19881, 30414, 31302, 38634, 39762, 45621, 57951, 81733, 91242, 115902, 163466, 238243, 245199, 302633, 476486, 490398, 605266, 714729, 735597, 907899, 1429458, 1471194, 1815798, 2144187, 2723697, 4288374, 5447394, 11197421, 22394842, 33592263, 67184526, 100776789, 201553578]

約数ペア:

[(1, 201553578), (2, 100776789), (3, 67184526), (6, 33592263), (9, 22394842), (18, 11197421), (37, 5447394), (47, 4288374), (74, 2723697), (94, 2144187), (111, 1815798), (137, 1471194), (141, 1429458), (222, 907899), (274, 735597), (282, 714729), (333, 605266), (411, 490398), (423, 476486), (666, 302633), (822, 245199), (846, 238243), (1233, 163466), (1739, 115902), (2209, 91242), (2466, 81733), (3478, 57951), (4418, 45621), (5069, 39762), (5217, 38634), (6439, 31302), (6627, 30414), (10138, 19881), (10434, 19317), (12878, 15651), (13254, 15207)]