51539665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 70108416

約数和(自身を除く): 18568751

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 643, 697, 943, 1955, 3215, 3485, 4715, 10931, 14789, 16031, 26363, 54655, 73945, 80155, 131815, 251413, 448171, 606349, 1257065, 2240855, 3031745, 10307933, 51539665]

約数ペア:

[(1, 51539665), (5, 10307933), (17, 3031745), (23, 2240855), (41, 1257065), (85, 606349), (115, 448171), (205, 251413), (391, 131815), (643, 80155), (697, 73945), (943, 54655), (1955, 26363), (3215, 16031), (3485, 14789), (4715, 10931)]