221881175

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{661}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 285666240

約数和(自身を除く): 63785065

約数列:

[1, 5, 25, 29, 145, 463, 661, 725, 2315, 3305, 11575, 13427, 16525, 19169, 67135, 95845, 306043, 335675, 479225, 1530215, 7651075, 8875247, 44376235, 221881175]

約数ペア:

[(1, 221881175), (5, 44376235), (25, 8875247), (29, 7651075), (145, 1530215), (463, 479225), (661, 335675), (725, 306043), (2315, 95845), (3305, 67135), (11575, 19169), (13427, 16525)]