131931107

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 169205760

約数和(自身を除く): 37274653

約数列:

[1, 7, 11, 67, 77, 107, 239, 469, 737, 749, 1177, 1673, 2629, 5159, 7169, 8239, 16013, 18403, 25573, 50183, 78859, 112091, 176143, 179011, 281303, 552013, 1233001, 1713391, 1969121, 11993737, 18847301, 131931107]

約数ペア:

[(1, 131931107), (7, 18847301), (11, 11993737), (67, 1969121), (77, 1713391), (107, 1233001), (239, 552013), (469, 281303), (737, 179011), (749, 176143), (1177, 112091), (1673, 78859), (2629, 50183), (5159, 25573), (7169, 18403), (8239, 16013)]