245209105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61379}}^1$

素因数の和:61448

約数の個数: 16

約数和(自身を含む): 318193920

約数和(自身を除く): 72984815

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 61379, 306895, 1043443, 2884813, 5217215, 14424065, 49041821, 245209105]

約数ペア:

[(1, 245209105), (5, 49041821), (17, 14424065), (47, 5217215), (85, 2884813), (235, 1043443), (799, 306895), (3995, 61379)]