261309282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{8191}}^1$

素因数の和:8618

約数の個数: 32

約数和(自身を含む): 564264960

約数和(自身を除く): 302955678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 818, 1227, 2454, 5317, 8191, 10634, 15951, 16382, 24573, 31902, 49146, 106483, 212966, 319449, 638898, 3350119, 6700238, 10050357, 20100714, 43551547, 87103094, 130654641, 261309282]

約数ペア:

[(1, 261309282), (2, 130654641), (3, 87103094), (6, 43551547), (13, 20100714), (26, 10050357), (39, 6700238), (78, 3350119), (409, 638898), (818, 319449), (1227, 212966), (2454, 106483), (5317, 49146), (8191, 31902), (10634, 24573), (15951, 16382)]