31980783458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{408241}}^1$

素因数の和:408410

約数の個数: 32

約数和(自身を含む): 54319047552

約数和(自身を除く): 22338264094

約数列:

[1, 2, 13, 23, 26, 46, 131, 262, 299, 598, 1703, 3013, 3406, 6026, 39169, 78338, 408241, 816482, 5307133, 9389543, 10614266, 18779086, 53479571, 106959142, 122064059, 244128118, 695234423, 1230030133, 1390468846, 2460060266, 15990391729, 31980783458]

約数ペア:

[(1, 31980783458), (2, 15990391729), (13, 2460060266), (23, 1390468846), (26, 1230030133), (46, 695234423), (131, 244128118), (262, 122064059), (299, 106959142), (598, 53479571), (1703, 18779086), (3013, 10614266), (3406, 9389543), (6026, 5307133), (39169, 816482), (78338, 408241)]