664657930

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1\times {\mathrm{1279}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 1208586240

約数和(自身を除く): 543928310

約数列:

[1, 2, 5, 10, 157, 314, 331, 662, 785, 1279, 1570, 1655, 2558, 3310, 6395, 12790, 51967, 103934, 200803, 259835, 401606, 423349, 519670, 846698, 1004015, 2008030, 2116745, 4233490, 66465793, 132931586, 332328965, 664657930]

約数ペア:

[(1, 664657930), (2, 332328965), (5, 132931586), (10, 66465793), (157, 4233490), (314, 2116745), (331, 2008030), (662, 1004015), (785, 846698), (1279, 519670), (1570, 423349), (1655, 401606), (2558, 259835), (3310, 200803), (6395, 103934), (12790, 51967)]