201871228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 388958080

約数和(自身を除く): 187086852

約数列:

[1, 2, 4, 13, 26, 52, 79, 157, 158, 313, 314, 316, 626, 628, 1027, 1252, 2041, 2054, 4069, 4082, 4108, 8138, 8164, 12403, 16276, 24727, 24806, 49141, 49454, 49612, 98282, 98908, 161239, 196564, 321451, 322478, 638833, 642902, 644956, 1277666, 1285804, 2555332, 3882139, 7764278, 15528556, 50467807, 100935614, 201871228]

約数ペア:

[(1, 201871228), (2, 100935614), (4, 50467807), (13, 15528556), (26, 7764278), (52, 3882139), (79, 2555332), (157, 1285804), (158, 1277666), (313, 644956), (314, 642902), (316, 638833), (626, 322478), (628, 321451), (1027, 196564), (1252, 161239), (2041, 98908), (2054, 98282), (4069, 49612), (4082, 49454), (4108, 49141), (8138, 24806), (8164, 24727), (12403, 16276)]