201521552

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{206477}}^1$

素因数の和:206546

約数の個数: 20

約数和(自身を含む): 396850716

約数和(自身を除く): 195329164

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 206477, 412954, 825908, 1651816, 3303632, 12595097, 25190194, 50380388, 100760776, 201521552]

約数ペア:

[(1, 201521552), (2, 100760776), (4, 50380388), (8, 25190194), (16, 12595097), (61, 3303632), (122, 1651816), (244, 825908), (488, 412954), (976, 206477)]