31519984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67931}}^1$

素因数の和:67968

約数の個数: 20

約数和(自身を含む): 63176760

約数和(自身を除く): 31656776

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 67931, 135862, 271724, 543448, 1086896, 1969999, 3939998, 7879996, 15759992, 31519984]

約数ペア:

[(1, 31519984), (2, 15759992), (4, 7879996), (8, 3939998), (16, 1969999), (29, 1086896), (58, 543448), (116, 271724), (232, 135862), (464, 67931)]