1256138515

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{6203}}^1$

素因数の和:6710

約数の個数: 16

約数和(自身を含む): 1526332896

約数和(自身を除く): 270194381

約数列:

[1, 5, 101, 401, 505, 2005, 6203, 31015, 40501, 202505, 626503, 2487403, 3132515, 12437015, 251227703, 1256138515]

約数ペア:

[(1, 1256138515), (5, 251227703), (101, 12437015), (401, 3132515), (505, 2487403), (2005, 626503), (6203, 202505), (31015, 40501)]