1981998384

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1\times {\mathrm{1627}}^1$

素因数の和:2298

約数の個数: 80

約数和(自身を含む): 5256746880

約数和(自身を除く): 3274748496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 619, 656, 984, 1238, 1627, 1857, 1968, 2476, 3254, 3714, 4881, 4952, 6508, 7428, 9762, 9904, 13016, 14856, 19524, 25379, 26032, 29712, 39048, 50758, 66707, 76137, 78096, 101516, 133414, 152274, 200121, 203032, 266828, 304548, 400242, 406064, 533656, 609096, 800484, 1007113, 1067312, 1218192, 1600968, 2014226, 3021339, 3201936, 4028452, 6042678, 8056904, 12085356, 16113808, 24170712, 41291633, 48341424, 82583266, 123874899, 165166532, 247749798, 330333064, 495499596, 660666128, 990999192, 1981998384]

約数ペア:

[(1, 1981998384), (2, 990999192), (3, 660666128), (4, 495499596), (6, 330333064), (8, 247749798), (12, 165166532), (16, 123874899), (24, 82583266), (41, 48341424), (48, 41291633), (82, 24170712), (123, 16113808), (164, 12085356), (246, 8056904), (328, 6042678), (492, 4028452), (619, 3201936), (656, 3021339), (984, 2014226), (1238, 1600968), (1627, 1218192), (1857, 1067312), (1968, 1007113), (2476, 800484), (3254, 609096), (3714, 533656), (4881, 406064), (4952, 400242), (6508, 304548), (7428, 266828), (9762, 203032), (9904, 200121), (13016, 152274), (14856, 133414), (19524, 101516), (25379, 78096), (26032, 76137), (29712, 66707), (39048, 50758)]