819255996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{1987}}^1$

素因数の和:2891

約数の個数: 72

約数和(自身を含む): 2233851984

約数和(自身を除く): 1414595988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 881, 1762, 1987, 2643, 3524, 3974, 5286, 5961, 7929, 7948, 10572, 11453, 11922, 15858, 17883, 22906, 23844, 25831, 31716, 34359, 35766, 45812, 51662, 68718, 71532, 77493, 103077, 103324, 137436, 154986, 206154, 232479, 309972, 412308, 464958, 929916, 1750547, 3501094, 5251641, 7002188, 10503282, 15754923, 21006564, 22757111, 31509846, 45514222, 63019692, 68271333, 91028444, 136542666, 204813999, 273085332, 409627998, 819255996]

約数ペア:

[(1, 819255996), (2, 409627998), (3, 273085332), (4, 204813999), (6, 136542666), (9, 91028444), (12, 68271333), (13, 63019692), (18, 45514222), (26, 31509846), (36, 22757111), (39, 21006564), (52, 15754923), (78, 10503282), (117, 7002188), (156, 5251641), (234, 3501094), (468, 1750547), (881, 929916), (1762, 464958), (1987, 412308), (2643, 309972), (3524, 232479), (3974, 206154), (5286, 154986), (5961, 137436), (7929, 103324), (7948, 103077), (10572, 77493), (11453, 71532), (11922, 68718), (15858, 51662), (17883, 45812), (22906, 35766), (23844, 34359), (25831, 31716)]