131291784

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{140269}}^1$

素因数の和:140294

約数の個数: 48

約数和(自身を含む): 382937100

約数和(自身を除く): 251645316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 140269, 280538, 420807, 561076, 841614, 1122152, 1262421, 1683228, 1823497, 2524842, 3366456, 3646994, 5049684, 5470491, 7293988, 10099368, 10940982, 14587976, 16411473, 21881964, 32822946, 43763928, 65645892, 131291784]

約数ペア:

[(1, 131291784), (2, 65645892), (3, 43763928), (4, 32822946), (6, 21881964), (8, 16411473), (9, 14587976), (12, 10940982), (13, 10099368), (18, 7293988), (24, 5470491), (26, 5049684), (36, 3646994), (39, 3366456), (52, 2524842), (72, 1823497), (78, 1683228), (104, 1262421), (117, 1122152), (156, 841614), (234, 561076), (312, 420807), (468, 280538), (936, 140269)]