1216842485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{631}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 1567157760

約数和(自身を除く): 350315275

約数列:

[1, 5, 23, 41, 115, 205, 409, 631, 943, 2045, 3155, 4715, 9407, 14513, 16769, 25871, 47035, 72565, 83845, 129355, 258079, 385687, 595033, 1290395, 1928435, 2975165, 5935817, 10581239, 29679085, 52906195, 243368497, 1216842485]

約数ペア:

[(1, 1216842485), (5, 243368497), (23, 52906195), (41, 29679085), (115, 10581239), (205, 5935817), (409, 2975165), (631, 1928435), (943, 1290395), (2045, 595033), (3155, 385687), (4715, 258079), (9407, 129355), (14513, 83845), (16769, 72565), (25871, 47035)]