71491475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 102850560

約数和(自身を除く): 31359085

約数列:

[1, 5, 11, 23, 25, 55, 89, 115, 127, 253, 275, 445, 575, 635, 979, 1265, 1397, 2047, 2225, 2921, 3175, 4895, 6325, 6985, 10235, 11303, 14605, 22517, 24475, 32131, 34925, 51175, 56515, 73025, 112585, 124333, 160655, 259969, 282575, 562925, 621665, 803275, 1299845, 2859659, 3108325, 6499225, 14298295, 71491475]

約数ペア:

[(1, 71491475), (5, 14298295), (11, 6499225), (23, 3108325), (25, 2859659), (55, 1299845), (89, 803275), (115, 621665), (127, 562925), (253, 282575), (275, 259969), (445, 160655), (575, 124333), (635, 112585), (979, 73025), (1265, 56515), (1397, 51175), (2047, 34925), (2225, 32131), (2921, 24475), (3175, 22517), (4895, 14605), (6325, 11303), (6985, 10235)]