31387668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{201203}}^1$

素因数の和:201223

約数の個数: 24

約数和(自身を含む): 78871968

約数和(自身を除く): 47484300

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 201203, 402406, 603609, 804812, 1207218, 2414436, 2615639, 5231278, 7846917, 10462556, 15693834, 31387668]

約数ペア:

[(1, 31387668), (2, 15693834), (3, 10462556), (4, 7846917), (6, 5231278), (12, 2615639), (13, 2414436), (26, 1207218), (39, 804812), (52, 603609), (78, 402406), (156, 201203)]