220403716

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{571}}^2$

素因数の和:1172

約数の個数: 27

約数和(自身を含む): 418391253

約数和(自身を除く): 197987537

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 571, 676, 1142, 2284, 7423, 14846, 29692, 96499, 192998, 326041, 385996, 652082, 1304164, 4238533, 8477066, 16954132, 55100929, 110201858, 220403716]

約数ペア:

[(1, 220403716), (2, 110201858), (4, 55100929), (13, 16954132), (26, 8477066), (52, 4238533), (169, 1304164), (338, 652082), (571, 385996), (676, 326041), (1142, 192998), (2284, 96499), (7423, 29692)]