27978704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{134513}}^1$

素因数の和:134534

約数の個数: 20

約数和(自身を含む): 58379076

約数和(自身を除く): 30400372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 134513, 269026, 538052, 1076104, 1748669, 2152208, 3497338, 6994676, 13989352, 27978704]

約数ペア:

[(1, 27978704), (2, 13989352), (4, 6994676), (8, 3497338), (13, 2152208), (16, 1748669), (26, 1076104), (52, 538052), (104, 269026), (208, 134513)]