42510455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 61065984

約数和(自身を除く): 18555529

約数列:

[1, 5, 13, 17, 31, 65, 73, 85, 155, 221, 289, 365, 403, 527, 949, 1105, 1241, 1445, 2015, 2263, 2635, 3757, 4745, 6205, 6851, 8959, 11315, 16133, 18785, 21097, 29419, 34255, 38471, 44795, 80665, 105485, 116467, 147095, 192355, 274261, 500123, 582335, 654007, 1371305, 2500615, 3270035, 8502091, 42510455]

約数ペア:

[(1, 42510455), (5, 8502091), (13, 3270035), (17, 2500615), (31, 1371305), (65, 654007), (73, 582335), (85, 500123), (155, 274261), (221, 192355), (289, 147095), (365, 116467), (403, 105485), (527, 80665), (949, 44795), (1105, 38471), (1241, 34255), (1445, 29419), (2015, 21097), (2263, 18785), (2635, 16133), (3757, 11315), (4745, 8959), (6205, 6851)]