257790396

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{20021}}^1$

素因数の和:20094

約数の個数: 48

約数和(自身を含む): 639102240

約数和(自身を除く): 381311844

約数列:

[1, 2, 3, 4, 6, 12, 29, 37, 58, 74, 87, 111, 116, 148, 174, 222, 348, 444, 1073, 2146, 3219, 4292, 6438, 12876, 20021, 40042, 60063, 80084, 120126, 240252, 580609, 740777, 1161218, 1481554, 1741827, 2222331, 2322436, 2963108, 3483654, 4444662, 6967308, 8889324, 21482533, 42965066, 64447599, 85930132, 128895198, 257790396]

約数ペア:

[(1, 257790396), (2, 128895198), (3, 85930132), (4, 64447599), (6, 42965066), (12, 21482533), (29, 8889324), (37, 6967308), (58, 4444662), (74, 3483654), (87, 2963108), (111, 2322436), (116, 2222331), (148, 1741827), (174, 1481554), (222, 1161218), (348, 740777), (444, 580609), (1073, 240252), (2146, 120126), (3219, 80084), (4292, 60063), (6438, 40042), (12876, 20021)]