778860986

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{9221}}^1$

素因数の和:9649

約数の個数: 16

約数和(自身を含む): 1180231560

約数和(自身を除く): 401370574

約数列:

[1, 2, 157, 269, 314, 538, 9221, 18442, 42233, 84466, 1447697, 2480449, 2895394, 4960898, 389430493, 778860986]

約数ペア:

[(1, 778860986), (2, 389430493), (157, 4960898), (269, 2895394), (314, 2480449), (538, 1447697), (9221, 84466), (18442, 42233)]