245539775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18427}}^1$

素因数の和:18491

約数の個数: 24

約数和(自身を含む): 335905584

約数和(自身を除く): 90365809

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 13325, 18427, 92135, 239551, 460675, 755507, 1197755, 3777535, 5988775, 9821591, 18887675, 49107955, 245539775]

約数ペア:

[(1, 245539775), (5, 49107955), (13, 18887675), (25, 9821591), (41, 5988775), (65, 3777535), (205, 1197755), (325, 755507), (533, 460675), (1025, 239551), (2665, 92135), (13325, 18427)]