256217830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{673}}^1\times {\mathrm{3461}}^1$

素因数の和:4152

約数の個数: 32

約数和(自身を含む): 504011808

約数和(自身を除く): 247793978

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 673, 1346, 3365, 3461, 6730, 6922, 7403, 14806, 17305, 34610, 37015, 38071, 74030, 76142, 190355, 380710, 2329253, 4658506, 11646265, 23292530, 25621783, 51243566, 128108915, 256217830]

約数ペア:

[(1, 256217830), (2, 128108915), (5, 51243566), (10, 25621783), (11, 23292530), (22, 11646265), (55, 4658506), (110, 2329253), (673, 380710), (1346, 190355), (3365, 76142), (3461, 74030), (6730, 38071), (6922, 37015), (7403, 34610), (14806, 17305)]