131222512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2897}}^1$

素因数の和:3073

約数の個数: 40

約数和(自身を含む): 269514000

約数和(自身を除く): 138291488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 596, 1192, 2384, 2831, 2897, 5662, 5794, 11324, 11588, 22648, 23176, 45296, 46352, 55043, 110086, 220172, 431653, 440344, 863306, 880688, 1726612, 3453224, 6906448, 8201407, 16402814, 32805628, 65611256, 131222512]

約数ペア:

[(1, 131222512), (2, 65611256), (4, 32805628), (8, 16402814), (16, 8201407), (19, 6906448), (38, 3453224), (76, 1726612), (149, 880688), (152, 863306), (298, 440344), (304, 431653), (596, 220172), (1192, 110086), (2384, 55043), (2831, 46352), (2897, 45296), (5662, 23176), (5794, 22648), (11324, 11588)]