68821402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^2$

素因数の和:430

約数の個数: 24

約数和(自身を含む): 112795956

約数和(自身を除く): 43974554

約数列:

[1, 2, 13, 26, 137, 139, 274, 278, 1781, 1807, 3562, 3614, 19043, 19321, 38086, 38642, 247559, 251173, 495118, 502346, 2646977, 5293954, 34410701, 68821402]

約数ペア:

[(1, 68821402), (2, 34410701), (13, 5293954), (26, 2646977), (137, 502346), (139, 495118), (274, 251173), (278, 247559), (1781, 38642), (1807, 38086), (3562, 19321), (3614, 19043)]