221488136

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 420660000

約数和(自身を除く): 199171864

約数列:

[1, 2, 4, 8, 113, 226, 452, 491, 499, 904, 982, 998, 1964, 1996, 3928, 3992, 55483, 56387, 110966, 112774, 221932, 225548, 245009, 443864, 451096, 490018, 980036, 1960072, 27686017, 55372034, 110744068, 221488136]

約数ペア:

[(1, 221488136), (2, 110744068), (4, 55372034), (8, 27686017), (113, 1960072), (226, 980036), (452, 490018), (491, 451096), (499, 443864), (904, 245009), (982, 225548), (998, 221932), (1964, 112774), (1996, 110966), (3928, 56387), (3992, 55483)]