420123834

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{199489}}^1$

素因数の和:199516

約数の個数: 40

約数和(自身を含む): 1013808180

約数和(自身を除く): 593684346

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 199489, 398978, 598467, 1196934, 1795401, 2593357, 3590802, 5186714, 5386203, 7780071, 10772406, 15560142, 16158609, 23340213, 32317218, 46680426, 70020639, 140041278, 210061917, 420123834]

約数ペア:

[(1, 420123834), (2, 210061917), (3, 140041278), (6, 70020639), (9, 46680426), (13, 32317218), (18, 23340213), (26, 16158609), (27, 15560142), (39, 10772406), (54, 7780071), (78, 5386203), (81, 5186714), (117, 3590802), (162, 2593357), (234, 1795401), (351, 1196934), (702, 598467), (1053, 398978), (2106, 199489)]