1221335042

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{15277}}^1$

素因数の和:15913

約数の個数: 16

約数和(自身を含む): 1861227072

約数和(自身を除く): 639892030

約数列:

[1, 2, 71, 142, 563, 1126, 15277, 30554, 39973, 79946, 1084667, 2169334, 8600951, 17201902, 610667521, 1221335042]

約数ペア:

[(1, 1221335042), (2, 610667521), (71, 17201902), (142, 8600951), (563, 2169334), (1126, 1084667), (15277, 79946), (30554, 39973)]