128631412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1831}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 278639872

約数和(自身を除く): 150008460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 193, 364, 386, 772, 1351, 1831, 2509, 2702, 3662, 5018, 5404, 7324, 10036, 12817, 17563, 23803, 25634, 35126, 47606, 51268, 70252, 95212, 166621, 333242, 353383, 666484, 706766, 1413532, 2473681, 4593979, 4947362, 9187958, 9894724, 18375916, 32157853, 64315706, 128631412]

約数ペア:

[(1, 128631412), (2, 64315706), (4, 32157853), (7, 18375916), (13, 9894724), (14, 9187958), (26, 4947362), (28, 4593979), (52, 2473681), (91, 1413532), (182, 706766), (193, 666484), (364, 353383), (386, 333242), (772, 166621), (1351, 95212), (1831, 70252), (2509, 51268), (2702, 47606), (3662, 35126), (5018, 25634), (5404, 23803), (7324, 17563), (10036, 12817)]