81931382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7211}}^1$

素因数の和:7268

約数の個数: 32

約数和(自身を含む): 145393920

約数和(自身を除く): 63462538

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 598, 874, 5681, 7211, 11362, 14422, 93743, 137009, 165853, 187486, 274018, 331706, 1781117, 2156089, 3151207, 3562234, 4312178, 6302414, 40965691, 81931382]

約数ペア:

[(1, 81931382), (2, 40965691), (13, 6302414), (19, 4312178), (23, 3562234), (26, 3151207), (38, 2156089), (46, 1781117), (247, 331706), (299, 274018), (437, 187486), (494, 165853), (598, 137009), (874, 93743), (5681, 14422), (7211, 11362)]