247788788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{31981}}^1$

素因数の和:32147

約数の個数: 24

約数和(自身を含む): 470135400

約数和(自身を除く): 222346612

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 31981, 63962, 127924, 415753, 831506, 1663012, 4765169, 9530338, 19060676, 61947197, 123894394, 247788788]

約数ペア:

[(1, 247788788), (2, 123894394), (4, 61947197), (13, 19060676), (26, 9530338), (52, 4765169), (149, 1663012), (298, 831506), (596, 415753), (1937, 127924), (3874, 63962), (7748, 31981)]