31478668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 63159040

約数和(自身を除く): 31680372

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 151, 211, 247, 302, 422, 494, 604, 844, 988, 1963, 2743, 2869, 3926, 4009, 5486, 5738, 7852, 8018, 10972, 11476, 16036, 31861, 37297, 52117, 63722, 74594, 104234, 127444, 149188, 208468, 414193, 605359, 828386, 1210718, 1656772, 2421436, 7869667, 15739334, 31478668]

約数ペア:

[(1, 31478668), (2, 15739334), (4, 7869667), (13, 2421436), (19, 1656772), (26, 1210718), (38, 828386), (52, 605359), (76, 414193), (151, 208468), (211, 149188), (247, 127444), (302, 104234), (422, 74594), (494, 63722), (604, 52117), (844, 37297), (988, 31861), (1963, 16036), (2743, 11476), (2869, 10972), (3926, 8018), (4009, 7852), (5486, 5738)]