220954138

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1\times {\mathrm{3853}}^1$

素因数の和:4449

約数の個数: 16

約数和(自身を含む): 338396616

約数和(自身を除く): 117442478

約数列:

[1, 2, 53, 106, 541, 1082, 3853, 7706, 28673, 57346, 204209, 408418, 2084473, 4168946, 110477069, 220954138]

約数ペア:

[(1, 220954138), (2, 110477069), (53, 4168946), (106, 2084473), (541, 408418), (1082, 204209), (3853, 57346), (7706, 28673)]