251680130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{2663}}^1$

素因数の和:3410

約数の個数: 32

約数和(自身を含む): 488726784

約数和(自身を除く): 237046654

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 727, 1454, 2663, 3635, 5326, 7270, 9451, 13315, 18902, 26630, 34619, 47255, 69238, 94510, 173095, 346190, 1936001, 3872002, 9680005, 19360010, 25168013, 50336026, 125840065, 251680130]

約数ペア:

[(1, 251680130), (2, 125840065), (5, 50336026), (10, 25168013), (13, 19360010), (26, 9680005), (65, 3872002), (130, 1936001), (727, 346190), (1454, 173095), (2663, 94510), (3635, 69238), (5326, 47255), (7270, 34619), (9451, 26630), (13315, 18902)]