989290428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{165877}}^1$

素因数の和:165962

約数の個数: 48

約数和(自身を含む): 2675280384

約数和(自身を除く): 1685989956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 165877, 331754, 497631, 663508, 995262, 1161139, 1990524, 2322278, 3483417, 4644556, 6966834, 11777267, 13933668, 23554534, 35331801, 47109068, 70663602, 82440869, 141327204, 164881738, 247322607, 329763476, 494645214, 989290428]

約数ペア:

[(1, 989290428), (2, 494645214), (3, 329763476), (4, 247322607), (6, 164881738), (7, 141327204), (12, 82440869), (14, 70663602), (21, 47109068), (28, 35331801), (42, 23554534), (71, 13933668), (84, 11777267), (142, 6966834), (213, 4644556), (284, 3483417), (426, 2322278), (497, 1990524), (852, 1161139), (994, 995262), (1491, 663508), (1988, 497631), (2982, 331754), (5964, 165877)]