28359815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 10209145

約数列:

[1, 5, 11, 55, 61, 79, 107, 305, 395, 535, 671, 869, 1177, 3355, 4345, 4819, 5885, 6527, 8453, 24095, 32635, 42265, 53009, 71797, 92983, 265045, 358985, 464915, 515633, 2578165, 5671963, 28359815]

約数ペア:

[(1, 28359815), (5, 5671963), (11, 2578165), (55, 515633), (61, 464915), (79, 358985), (107, 265045), (305, 92983), (395, 71797), (535, 53009), (671, 42265), (869, 32635), (1177, 24095), (3355, 8453), (4345, 6527), (4819, 5885)]