289818256

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6421}}^1$

素因数の和:6480

約数の個数: 80

約数和(自身を含む): 713509888

約数和(自身を除く): 423691632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6421, 6448, 11284, 12842, 22568, 25684, 44947, 45136, 51368, 83473, 89894, 102736, 166946, 179788, 199051, 333892, 359576, 398102, 584311, 667784, 719152, 796204, 1168622, 1335568, 1393357, 1592408, 2337244, 2587663, 2786714, 3184816, 4674488, 5175326, 5573428, 9348976, 10350652, 11146856, 18113641, 20701304, 22293712, 36227282, 41402608, 72454564, 144909128, 289818256]

約数ペア:

[(1, 289818256), (2, 144909128), (4, 72454564), (7, 41402608), (8, 36227282), (13, 22293712), (14, 20701304), (16, 18113641), (26, 11146856), (28, 10350652), (31, 9348976), (52, 5573428), (56, 5175326), (62, 4674488), (91, 3184816), (104, 2786714), (112, 2587663), (124, 2337244), (182, 1592408), (208, 1393357), (217, 1335568), (248, 1168622), (364, 796204), (403, 719152), (434, 667784), (496, 584311), (728, 398102), (806, 359576), (868, 333892), (1456, 199051), (1612, 179788), (1736, 166946), (2821, 102736), (3224, 89894), (3472, 83473), (5642, 51368), (6421, 45136), (6448, 44947), (11284, 25684), (12842, 22568)]