2109131128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{17681}}^1$

素因数の和:17768

約数の個数: 64

約数和(自身を含む): 4515275520

約数和(自身を除く): 2406144392

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 248, 296, 403, 481, 806, 962, 1147, 1612, 1924, 2294, 3224, 3848, 4588, 9176, 14911, 17681, 29822, 35362, 59644, 70724, 119288, 141448, 229853, 459706, 548111, 654197, 919412, 1096222, 1308394, 1838824, 2192444, 2616788, 4384888, 5233576, 7125443, 8504561, 14250886, 17009122, 20280107, 28501772, 34018244, 40560214, 57003544, 68036488, 81120428, 162240856, 263641391, 527282782, 1054565564, 2109131128]

約数ペア:

[(1, 2109131128), (2, 1054565564), (4, 527282782), (8, 263641391), (13, 162240856), (26, 81120428), (31, 68036488), (37, 57003544), (52, 40560214), (62, 34018244), (74, 28501772), (104, 20280107), (124, 17009122), (148, 14250886), (248, 8504561), (296, 7125443), (403, 5233576), (481, 4384888), (806, 2616788), (962, 2192444), (1147, 1838824), (1612, 1308394), (1924, 1096222), (2294, 919412), (3224, 654197), (3848, 548111), (4588, 459706), (9176, 229853), (14911, 141448), (17681, 119288), (29822, 70724), (35362, 59644)]