51431432

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 105682500

約数和(自身を除く): 54251068

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 169, 218, 338, 349, 436, 676, 698, 872, 1352, 1396, 1417, 2792, 2834, 4537, 5668, 9074, 11336, 18148, 18421, 36296, 36842, 38041, 58981, 73684, 76082, 117962, 147368, 152164, 235924, 304328, 471848, 494533, 989066, 1978132, 3956264, 6428929, 12857858, 25715716, 51431432]

約数ペア:

[(1, 51431432), (2, 25715716), (4, 12857858), (8, 6428929), (13, 3956264), (26, 1978132), (52, 989066), (104, 494533), (109, 471848), (169, 304328), (218, 235924), (338, 152164), (349, 147368), (436, 117962), (676, 76082), (698, 73684), (872, 58981), (1352, 38041), (1396, 36842), (1417, 36296), (2792, 18421), (2834, 18148), (4537, 11336), (5668, 9074)]