66261325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 95618880

約数和(自身を除く): 29357555

約数列:

[1, 5, 13, 17, 25, 65, 67, 85, 179, 221, 325, 335, 425, 871, 895, 1105, 1139, 1675, 2327, 3043, 4355, 4475, 5525, 5695, 11635, 11993, 14807, 15215, 21775, 28475, 39559, 58175, 59965, 74035, 76075, 155909, 197795, 203881, 299825, 370175, 779545, 988975, 1019405, 2650453, 3897725, 5097025, 13252265, 66261325]

約数ペア:

[(1, 66261325), (5, 13252265), (13, 5097025), (17, 3897725), (25, 2650453), (65, 1019405), (67, 988975), (85, 779545), (179, 370175), (221, 299825), (325, 203881), (335, 197795), (425, 155909), (871, 76075), (895, 74035), (1105, 59965), (1139, 58175), (1675, 39559), (2327, 28475), (3043, 21775), (4355, 15215), (4475, 14807), (5525, 11993), (5695, 11635)]