213079984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53917}}^1$

素因数の和:53957

約数の個数: 40

約数和(自身を含む): 468008240

約数和(自身を除く): 254928256

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 53917, 107834, 215668, 431336, 700921, 862672, 1024423, 1401842, 2048846, 2803684, 4097692, 5607368, 8195384, 11214736, 13317499, 16390768, 26634998, 53269996, 106539992, 213079984]

約数ペア:

[(1, 213079984), (2, 106539992), (4, 53269996), (8, 26634998), (13, 16390768), (16, 13317499), (19, 11214736), (26, 8195384), (38, 5607368), (52, 4097692), (76, 2803684), (104, 2048846), (152, 1401842), (208, 1024423), (247, 862672), (304, 700921), (494, 431336), (988, 215668), (1976, 107834), (3952, 53917)]