31640336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 77995008

約数和(自身を除く): 46354672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 701, 728, 806, 868, 1402, 1456, 1612, 1736, 2804, 2821, 3224, 3472, 4907, 5608, 5642, 6448, 9113, 9814, 11216, 11284, 18226, 19628, 21731, 22568, 36452, 39256, 43462, 45136, 63791, 72904, 78512, 86924, 127582, 145808, 152117, 173848, 255164, 282503, 304234, 347696, 510328, 565006, 608468, 1020656, 1130012, 1216936, 1977521, 2260024, 2433872, 3955042, 4520048, 7910084, 15820168, 31640336]

約数ペア:

[(1, 31640336), (2, 15820168), (4, 7910084), (7, 4520048), (8, 3955042), (13, 2433872), (14, 2260024), (16, 1977521), (26, 1216936), (28, 1130012), (31, 1020656), (52, 608468), (56, 565006), (62, 510328), (91, 347696), (104, 304234), (112, 282503), (124, 255164), (182, 173848), (208, 152117), (217, 145808), (248, 127582), (364, 86924), (403, 78512), (434, 72904), (496, 63791), (701, 45136), (728, 43462), (806, 39256), (868, 36452), (1402, 22568), (1456, 21731), (1612, 19628), (1736, 18226), (2804, 11284), (2821, 11216), (3224, 9814), (3472, 9113), (4907, 6448), (5608, 5642)]