290437238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{69383}}^1$

素因数の和:69428

約数の個数: 32

約数和(自身を含む): 559512576

約数和(自身を除く): 269075338

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 69383, 138766, 485681, 901979, 971362, 1595809, 1803958, 3191618, 6313853, 11170663, 12627706, 20745517, 22341326, 41491034, 145218619, 290437238]

約数ペア:

[(1, 290437238), (2, 145218619), (7, 41491034), (13, 22341326), (14, 20745517), (23, 12627706), (26, 11170663), (46, 6313853), (91, 3191618), (161, 1803958), (182, 1595809), (299, 971362), (322, 901979), (598, 485681), (2093, 138766), (4186, 69383)]