31039996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 62445600

約数和(自身を除く): 31405604

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 89, 178, 247, 353, 356, 494, 706, 988, 1157, 1412, 1691, 2314, 3382, 4589, 4628, 6707, 6764, 9178, 13414, 18356, 21983, 26828, 31417, 43966, 62834, 87191, 87932, 125668, 174382, 348764, 408421, 596923, 816842, 1193846, 1633684, 2387692, 7759999, 15519998, 31039996]

約数ペア:

[(1, 31039996), (2, 15519998), (4, 7759999), (13, 2387692), (19, 1633684), (26, 1193846), (38, 816842), (52, 596923), (76, 408421), (89, 348764), (178, 174382), (247, 125668), (353, 87932), (356, 87191), (494, 62834), (706, 43966), (988, 31417), (1157, 26828), (1412, 21983), (1691, 18356), (2314, 13414), (3382, 9178), (4589, 6764), (4628, 6707)]