71204468

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{829}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 126541800

約数和(自身を除く): 55337332

約数列:

[1, 2, 4, 109, 197, 218, 394, 436, 788, 829, 1658, 3316, 21473, 42946, 85892, 90361, 163313, 180722, 326626, 361444, 653252, 17801117, 35602234, 71204468]

約数ペア:

[(1, 71204468), (2, 35602234), (4, 17801117), (109, 653252), (197, 361444), (218, 326626), (394, 180722), (436, 163313), (788, 90361), (829, 85892), (1658, 42946), (3316, 21473)]