488984912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{123731}}^1$

素因数の和:123771

約数の個数: 40

約数和(自身を含む): 1073993760

約数和(自身を除く): 585008848

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 123731, 247462, 494924, 989848, 1608503, 1979696, 2350889, 3217006, 4701778, 6434012, 9403556, 12868024, 18807112, 25736048, 30561557, 37614224, 61123114, 122246228, 244492456, 488984912]

約数ペア:

[(1, 488984912), (2, 244492456), (4, 122246228), (8, 61123114), (13, 37614224), (16, 30561557), (19, 25736048), (26, 18807112), (38, 12868024), (52, 9403556), (76, 6434012), (104, 4701778), (152, 3217006), (208, 2350889), (247, 1979696), (304, 1608503), (494, 989848), (988, 494924), (1976, 247462), (3952, 123731)]