42940456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 94348800

約数和(自身を除く): 51408344

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 403, 494, 589, 701, 806, 988, 1178, 1402, 1612, 1976, 2356, 2804, 3224, 4712, 5608, 7657, 9113, 13319, 15314, 18226, 21731, 26638, 30628, 36452, 43462, 53276, 61256, 72904, 86924, 106552, 173147, 173848, 282503, 346294, 412889, 565006, 692588, 825778, 1130012, 1385176, 1651556, 2260024, 3303112, 5367557, 10735114, 21470228, 42940456]

約数ペア:

[(1, 42940456), (2, 21470228), (4, 10735114), (8, 5367557), (13, 3303112), (19, 2260024), (26, 1651556), (31, 1385176), (38, 1130012), (52, 825778), (62, 692588), (76, 565006), (104, 412889), (124, 346294), (152, 282503), (247, 173848), (248, 173147), (403, 106552), (494, 86924), (589, 72904), (701, 61256), (806, 53276), (988, 43462), (1178, 36452), (1402, 30628), (1612, 26638), (1976, 21731), (2356, 18226), (2804, 15314), (3224, 13319), (4712, 9113), (5608, 7657)]