202151915

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 283668480

約数和(自身を除く): 81516565

約数列:

[1, 5, 7, 35, 79, 113, 395, 553, 565, 647, 791, 2765, 3235, 3955, 4529, 8927, 22645, 44635, 51113, 62489, 73111, 255565, 312445, 357791, 365555, 511777, 1788955, 2558885, 5775769, 28878845, 40430383, 202151915]

約数ペア:

[(1, 202151915), (5, 40430383), (7, 28878845), (35, 5775769), (79, 2558885), (113, 1788955), (395, 511777), (553, 365555), (565, 357791), (647, 312445), (791, 255565), (2765, 73111), (3235, 62489), (3955, 51113), (4529, 44635), (8927, 22645)]