31351216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7933}}^1$

素因数の和:7973

約数の個数: 40

約数和(自身を含む): 68867120

約数和(自身を除く): 37515904

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7933, 15866, 31732, 63464, 103129, 126928, 150727, 206258, 301454, 412516, 602908, 825032, 1205816, 1650064, 1959451, 2411632, 3918902, 7837804, 15675608, 31351216]

約数ペア:

[(1, 31351216), (2, 15675608), (4, 7837804), (8, 3918902), (13, 2411632), (16, 1959451), (19, 1650064), (26, 1205816), (38, 825032), (52, 602908), (76, 412516), (104, 301454), (152, 206258), (208, 150727), (247, 126928), (304, 103129), (494, 63464), (988, 31732), (1976, 15866), (3952, 7933)]