61212775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 89994240

約数和(自身を除く): 28781465

約数列:

[1, 5, 13, 19, 23, 25, 65, 95, 115, 247, 299, 325, 431, 437, 475, 575, 1235, 1495, 2155, 2185, 5603, 5681, 6175, 7475, 8189, 9913, 10775, 10925, 28015, 28405, 40945, 49565, 106457, 128869, 140075, 142025, 188347, 204725, 247825, 532285, 644345, 941735, 2448511, 2661425, 3221725, 4708675, 12242555, 61212775]

約数ペア:

[(1, 61212775), (5, 12242555), (13, 4708675), (19, 3221725), (23, 2661425), (25, 2448511), (65, 941735), (95, 644345), (115, 532285), (247, 247825), (299, 204725), (325, 188347), (431, 142025), (437, 140075), (475, 128869), (575, 106457), (1235, 49565), (1495, 40945), (2155, 28405), (2185, 28015), (5603, 10925), (5681, 10775), (6175, 9913), (7475, 8189)]