8991710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 20490624

約数和(自身を除く): 11498914

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 241, 287, 410, 455, 482, 533, 574, 910, 1066, 1205, 1435, 1687, 2410, 2665, 2870, 3133, 3374, 3731, 5330, 6266, 7462, 8435, 9881, 15665, 16870, 18655, 19762, 21931, 31330, 37310, 43862, 49405, 69167, 98810, 109655, 128453, 138334, 219310, 256906, 345835, 642265, 691670, 899171, 1284530, 1798342, 4495855, 8991710]

約数ペア:

[(1, 8991710), (2, 4495855), (5, 1798342), (7, 1284530), (10, 899171), (13, 691670), (14, 642265), (26, 345835), (35, 256906), (41, 219310), (65, 138334), (70, 128453), (82, 109655), (91, 98810), (130, 69167), (182, 49405), (205, 43862), (241, 37310), (287, 31330), (410, 21931), (455, 19762), (482, 18655), (533, 16870), (574, 15665), (910, 9881), (1066, 8435), (1205, 7462), (1435, 6266), (1687, 5330), (2410, 3731), (2665, 3374), (2870, 3133)]