2878070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 5654880

約数和(自身を除く): 2776810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 169, 262, 338, 655, 845, 1310, 1690, 1703, 2197, 3406, 4394, 8515, 10985, 17030, 21970, 22139, 44278, 110695, 221390, 287807, 575614, 1439035, 2878070]

約数ペア:

[(1, 2878070), (2, 1439035), (5, 575614), (10, 287807), (13, 221390), (26, 110695), (65, 44278), (130, 22139), (131, 21970), (169, 17030), (262, 10985), (338, 8515), (655, 4394), (845, 3406), (1310, 2197), (1690, 1703)]