1981668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12703}}^1$

素因数の和:12723

約数の個数: 24

約数和(自身を含む): 4979968

約数和(自身を除く): 2998300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 12703, 25406, 38109, 50812, 76218, 152436, 165139, 330278, 495417, 660556, 990834, 1981668]

約数ペア:

[(1, 1981668), (2, 990834), (3, 660556), (4, 495417), (6, 330278), (12, 165139), (13, 152436), (26, 76218), (39, 50812), (52, 38109), (78, 25406), (156, 12703)]