8681384

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 16917600

約数和(自身を除く): 8236216

約数列:

[1, 2, 4, 8, 37, 74, 139, 148, 211, 278, 296, 422, 556, 844, 1112, 1688, 5143, 7807, 10286, 15614, 20572, 29329, 31228, 41144, 58658, 62456, 117316, 234632, 1085173, 2170346, 4340692, 8681384]

約数ペア:

[(1, 8681384), (2, 4340692), (4, 2170346), (8, 1085173), (37, 234632), (74, 117316), (139, 62456), (148, 58658), (211, 41144), (278, 31228), (296, 29329), (422, 20572), (556, 15614), (844, 10286), (1112, 7807), (1688, 5143)]