61516984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 126720000

約数和(自身を除く): 65203016

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 79, 94, 109, 152, 158, 188, 218, 316, 376, 436, 632, 872, 893, 1501, 1786, 2071, 3002, 3572, 3713, 4142, 5123, 6004, 7144, 7426, 8284, 8611, 10246, 12008, 14852, 16568, 17222, 20492, 29704, 34444, 40984, 68888, 70547, 97337, 141094, 163609, 194674, 282188, 327218, 389348, 404717, 564376, 654436, 778696, 809434, 1308872, 1618868, 3237736, 7689623, 15379246, 30758492, 61516984]

約数ペア:

[(1, 61516984), (2, 30758492), (4, 15379246), (8, 7689623), (19, 3237736), (38, 1618868), (47, 1308872), (76, 809434), (79, 778696), (94, 654436), (109, 564376), (152, 404717), (158, 389348), (188, 327218), (218, 282188), (316, 194674), (376, 163609), (436, 141094), (632, 97337), (872, 70547), (893, 68888), (1501, 40984), (1786, 34444), (2071, 29704), (3002, 20492), (3572, 17222), (3713, 16568), (4142, 14852), (5123, 12008), (6004, 10246), (7144, 8611), (7426, 8284)]