16666542

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 37662768

約数和(自身を除く): 20996226

約数列:

[1, 2, 3, 6, 9, 18, 43, 61, 86, 122, 129, 183, 258, 353, 366, 387, 549, 706, 774, 1059, 1098, 2118, 2623, 3177, 5246, 6354, 7869, 15179, 15738, 21533, 23607, 30358, 43066, 45537, 47214, 64599, 91074, 129198, 136611, 193797, 273222, 387594, 925919, 1851838, 2777757, 5555514, 8333271, 16666542]

約数ペア:

[(1, 16666542), (2, 8333271), (3, 5555514), (6, 2777757), (9, 1851838), (18, 925919), (43, 387594), (61, 273222), (86, 193797), (122, 136611), (129, 129198), (183, 91074), (258, 64599), (353, 47214), (366, 45537), (387, 43066), (549, 30358), (706, 23607), (774, 21533), (1059, 15738), (1098, 15179), (2118, 7869), (2623, 6354), (3177, 5246)]