28733991745

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{260969}}^1$

素因数の和:261073

約数の個数: 24

約数和(自身を含む): 36987800040

約数和(自身を除く): 8253808295

約数列:

[1, 5, 19, 61, 95, 305, 361, 1159, 1805, 5795, 22021, 110105, 260969, 1304845, 4958411, 15919109, 24792055, 79595545, 94209809, 302463071, 471049045, 1512315355, 5746798349, 28733991745]

約数ペア:

[(1, 28733991745), (5, 5746798349), (19, 1512315355), (61, 471049045), (95, 302463071), (305, 94209809), (361, 79595545), (1159, 24792055), (1805, 15919109), (5795, 4958411), (22021, 1304845), (110105, 260969)]