9991956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^3\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 25323200

約数和(自身を除く): 15331244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 379, 507, 676, 758, 1014, 1137, 1516, 2028, 2197, 2274, 4394, 4548, 4927, 6591, 8788, 9854, 13182, 14781, 19708, 26364, 29562, 59124, 64051, 128102, 192153, 256204, 384306, 768612, 832663, 1665326, 2497989, 3330652, 4995978, 9991956]

約数ペア:

[(1, 9991956), (2, 4995978), (3, 3330652), (4, 2497989), (6, 1665326), (12, 832663), (13, 768612), (26, 384306), (39, 256204), (52, 192153), (78, 128102), (156, 64051), (169, 59124), (338, 29562), (379, 26364), (507, 19708), (676, 14781), (758, 13182), (1014, 9854), (1137, 8788), (1516, 6591), (2028, 4927), (2197, 4548), (2274, 4394)]