2811700775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1873}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 3903916800

約数和(自身を除く): 1092216025

約数列:

[1, 5, 13, 25, 31, 65, 149, 155, 325, 403, 745, 775, 1873, 1937, 2015, 3725, 4619, 9365, 9685, 10075, 23095, 24349, 46825, 48425, 58063, 60047, 115475, 121745, 279077, 290315, 300235, 608725, 754819, 1395385, 1451575, 1501175, 3628001, 3774095, 6976925, 8651387, 18140005, 18870475, 43256935, 90700025, 112468031, 216284675, 562340155, 2811700775]

約数ペア:

[(1, 2811700775), (5, 562340155), (13, 216284675), (25, 112468031), (31, 90700025), (65, 43256935), (149, 18870475), (155, 18140005), (325, 8651387), (403, 6976925), (745, 3774095), (775, 3628001), (1873, 1501175), (1937, 1451575), (2015, 1395385), (3725, 754819), (4619, 608725), (9365, 300235), (9685, 290315), (10075, 279077), (23095, 121745), (24349, 115475), (46825, 60047), (48425, 58063)]