71765428

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 153022464

約数和(自身を除く): 81257036

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 644, 658, 1081, 1316, 2162, 2371, 4324, 4742, 7567, 9484, 15134, 16597, 30268, 33194, 54533, 66388, 109066, 111437, 218132, 222874, 381731, 445748, 763462, 780059, 1526924, 1560118, 2563051, 3120236, 5126102, 10252204, 17941357, 35882714, 71765428]

約数ペア:

[(1, 71765428), (2, 35882714), (4, 17941357), (7, 10252204), (14, 5126102), (23, 3120236), (28, 2563051), (46, 1560118), (47, 1526924), (92, 780059), (94, 763462), (161, 445748), (188, 381731), (322, 222874), (329, 218132), (644, 111437), (658, 109066), (1081, 66388), (1316, 54533), (2162, 33194), (2371, 30268), (4324, 16597), (4742, 15134), (7567, 9484)]