64280517

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 100131840

約数和(自身を除く): 35851323

約数列:

[1, 3, 7, 21, 89, 163, 211, 267, 489, 623, 633, 1141, 1477, 1869, 3423, 4431, 14507, 18779, 34393, 43521, 56337, 101549, 103179, 131453, 240751, 304647, 394359, 722253, 3060977, 9182931, 21426839, 64280517]

約数ペア:

[(1, 64280517), (3, 21426839), (7, 9182931), (21, 3060977), (89, 722253), (163, 394359), (211, 304647), (267, 240751), (489, 131453), (623, 103179), (633, 101549), (1141, 56337), (1477, 43521), (1869, 34393), (3423, 18779), (4431, 14507)]