25565778

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{613}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 63600576

約数和(自身を除く): 38034798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 331, 613, 662, 993, 1226, 1839, 1986, 2317, 2979, 3678, 4291, 4634, 5517, 5958, 6951, 8582, 11034, 12873, 13902, 20853, 25746, 38619, 41706, 77238, 202903, 405806, 608709, 1217418, 1420321, 1826127, 2840642, 3652254, 4260963, 8521926, 12782889, 25565778]

約数ペア:

[(1, 25565778), (2, 12782889), (3, 8521926), (6, 4260963), (7, 3652254), (9, 2840642), (14, 1826127), (18, 1420321), (21, 1217418), (42, 608709), (63, 405806), (126, 202903), (331, 77238), (613, 41706), (662, 38619), (993, 25746), (1226, 20853), (1839, 13902), (1986, 12873), (2317, 11034), (2979, 8582), (3678, 6951), (4291, 5958), (4634, 5517)]