778841570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{27109}}^1$

素因数の和:27159

約数の個数: 48

約数和(自身を含む): 1607406120

約数和(自身を除く): 828564550

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2873, 5746, 14365, 27109, 28730, 54218, 135545, 271090, 352417, 460853, 704834, 921706, 1762085, 2304265, 3524170, 4581421, 4608530, 5991089, 9162842, 11982178, 22907105, 29955445, 45814210, 59910890, 77884157, 155768314, 389420785, 778841570]

約数ペア:

[(1, 778841570), (2, 389420785), (5, 155768314), (10, 77884157), (13, 59910890), (17, 45814210), (26, 29955445), (34, 22907105), (65, 11982178), (85, 9162842), (130, 5991089), (169, 4608530), (170, 4581421), (221, 3524170), (338, 2304265), (442, 1762085), (845, 921706), (1105, 704834), (1690, 460853), (2210, 352417), (2873, 271090), (5746, 135545), (14365, 54218), (27109, 28730)]