128689736

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1531}}^1$

素因数の和:1642

約数の個数: 64

約数和(自身を含む): 294144000

約数和(自身を除く): 165454264

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 266, 316, 532, 553, 632, 1064, 1106, 1501, 1531, 2212, 3002, 3062, 4424, 6004, 6124, 10507, 10717, 12008, 12248, 21014, 21434, 29089, 42028, 42868, 58178, 84056, 85736, 116356, 120949, 203623, 232712, 241898, 407246, 483796, 814492, 846643, 967592, 1628984, 1693286, 2298031, 3386572, 4596062, 6773144, 9192124, 16086217, 18384248, 32172434, 64344868, 128689736]

約数ペア:

[(1, 128689736), (2, 64344868), (4, 32172434), (7, 18384248), (8, 16086217), (14, 9192124), (19, 6773144), (28, 4596062), (38, 3386572), (56, 2298031), (76, 1693286), (79, 1628984), (133, 967592), (152, 846643), (158, 814492), (266, 483796), (316, 407246), (532, 241898), (553, 232712), (632, 203623), (1064, 120949), (1106, 116356), (1501, 85736), (1531, 84056), (2212, 58178), (3002, 42868), (3062, 42028), (4424, 29089), (6004, 21434), (6124, 21014), (10507, 12248), (10717, 12008)]