128302276

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{1249}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 228935000

約数和(自身を除く): 100632724

約数列:

[1, 2, 4, 61, 122, 244, 421, 842, 1249, 1684, 2498, 4996, 25681, 51362, 76189, 102724, 152378, 304756, 525829, 1051658, 2103316, 32075569, 64151138, 128302276]

約数ペア:

[(1, 128302276), (2, 64151138), (4, 32075569), (61, 2103316), (122, 1051658), (244, 525829), (421, 304756), (842, 152378), (1249, 102724), (1684, 76189), (2498, 51362), (4996, 25681)]