261026975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 370738176

約数和(自身を除く): 109711201

約数列:

[1, 5, 11, 25, 31, 55, 67, 155, 275, 335, 341, 457, 737, 775, 1675, 1705, 2077, 2285, 3685, 5027, 8525, 10385, 11425, 14167, 18425, 22847, 25135, 30619, 51925, 70835, 114235, 125675, 153095, 155837, 336809, 354175, 571175, 765475, 779185, 949189, 1684045, 3895925, 4745945, 8420225, 10441079, 23729725, 52205395, 261026975]

約数ペア:

[(1, 261026975), (5, 52205395), (11, 23729725), (25, 10441079), (31, 8420225), (55, 4745945), (67, 3895925), (155, 1684045), (275, 949189), (335, 779185), (341, 765475), (457, 571175), (737, 354175), (775, 336809), (1675, 155837), (1705, 153095), (2077, 125675), (2285, 114235), (3685, 70835), (5027, 51925), (8525, 30619), (10385, 25135), (11425, 22847), (14167, 18425)]