398961432

素因数分解:

$2^3\times 3^2\times {\mathrm{269}}^1\times {\mathrm{20599}}^1$

素因数の和:20880

約数の個数: 48

約数和(自身を含む): 1084590000

約数和(自身を除く): 685628568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 269, 538, 807, 1076, 1614, 2152, 2421, 3228, 4842, 6456, 9684, 19368, 20599, 41198, 61797, 82396, 123594, 164792, 185391, 247188, 370782, 494376, 741564, 1483128, 5541131, 11082262, 16623393, 22164524, 33246786, 44329048, 49870179, 66493572, 99740358, 132987144, 199480716, 398961432]

約数ペア:

[(1, 398961432), (2, 199480716), (3, 132987144), (4, 99740358), (6, 66493572), (8, 49870179), (9, 44329048), (12, 33246786), (18, 22164524), (24, 16623393), (36, 11082262), (72, 5541131), (269, 1483128), (538, 741564), (807, 494376), (1076, 370782), (1614, 247188), (2152, 185391), (2421, 164792), (3228, 123594), (4842, 82396), (6456, 61797), (9684, 41198), (19368, 20599)]