2158456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 4374000

約数和(自身を除く): 2215544

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 118, 136, 236, 269, 472, 538, 1003, 1076, 2006, 2152, 4012, 4573, 8024, 9146, 15871, 18292, 31742, 36584, 63484, 126968, 269807, 539614, 1079228, 2158456]

約数ペア:

[(1, 2158456), (2, 1079228), (4, 539614), (8, 269807), (17, 126968), (34, 63484), (59, 36584), (68, 31742), (118, 18292), (136, 15871), (236, 9146), (269, 8024), (472, 4573), (538, 4012), (1003, 2152), (1076, 2006)]