131512984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{865217}}^1$

素因数の和:865242

約数の個数: 16

約数和(自身を含む): 259565400

約数和(自身を除く): 128052416

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 865217, 1730434, 3460868, 6921736, 16439123, 32878246, 65756492, 131512984]

約数ペア:

[(1, 131512984), (2, 65756492), (4, 32878246), (8, 16439123), (19, 6921736), (38, 3460868), (76, 1730434), (152, 865217)]