68317249

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 92574720

約数和(自身を除く): 24257471

約数列:

[1, 7, 11, 13, 77, 91, 139, 143, 491, 973, 1001, 1529, 1807, 3437, 5401, 6383, 10703, 12649, 19877, 37807, 44681, 68249, 70213, 139139, 477743, 491491, 750739, 887237, 5255173, 6210659, 9759607, 68317249]

約数ペア:

[(1, 68317249), (7, 9759607), (11, 6210659), (13, 5255173), (77, 887237), (91, 750739), (139, 491491), (143, 477743), (491, 139139), (973, 70213), (1001, 68249), (1529, 44681), (1807, 37807), (3437, 19877), (5401, 12649), (6383, 10703)]