28122185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3297

約数の個数: 32

約数和(自身を含む): 43733760

約数和(自身を除く): 15611575

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 3253, 8645, 16265, 22771, 42289, 61807, 113855, 211445, 296023, 309035, 432649, 803491, 1480115, 2163245, 4017455, 5624437, 28122185]

約数ペア:

[(1, 28122185), (5, 5624437), (7, 4017455), (13, 2163245), (19, 1480115), (35, 803491), (65, 432649), (91, 309035), (95, 296023), (133, 211445), (247, 113855), (455, 61807), (665, 42289), (1235, 22771), (1729, 16265), (3253, 8645)]