1811212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 3475472

約数和(自身を除く): 1664260

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 571, 793, 1142, 1586, 2284, 3172, 7423, 14846, 29692, 34831, 69662, 139324, 452803, 905606, 1811212]

約数ペア:

[(1, 1811212), (2, 905606), (4, 452803), (13, 139324), (26, 69662), (52, 34831), (61, 29692), (122, 14846), (244, 7423), (571, 3172), (793, 2284), (1142, 1586)]