1988463984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1487}}^1\times {\mathrm{2143}}^1$

素因数の和:3654

約数の個数: 80

約数和(自身を含む): 5538312192

約数和(自身を除く): 3549848208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1487, 2143, 2974, 4286, 4461, 5948, 6429, 8572, 8922, 11896, 12858, 17144, 17844, 19331, 23792, 25716, 27859, 34288, 35688, 38662, 51432, 55718, 57993, 71376, 77324, 83577, 102864, 111436, 115986, 154648, 167154, 222872, 231972, 309296, 334308, 445744, 463944, 668616, 927888, 1337232, 3186641, 6373282, 9559923, 12746564, 19119846, 25493128, 38239692, 41426333, 50986256, 76479384, 82852666, 124278999, 152958768, 165705332, 248557998, 331410664, 497115996, 662821328, 994231992, 1988463984]

約数ペア:

[(1, 1988463984), (2, 994231992), (3, 662821328), (4, 497115996), (6, 331410664), (8, 248557998), (12, 165705332), (13, 152958768), (16, 124278999), (24, 82852666), (26, 76479384), (39, 50986256), (48, 41426333), (52, 38239692), (78, 25493128), (104, 19119846), (156, 12746564), (208, 9559923), (312, 6373282), (624, 3186641), (1487, 1337232), (2143, 927888), (2974, 668616), (4286, 463944), (4461, 445744), (5948, 334308), (6429, 309296), (8572, 231972), (8922, 222872), (11896, 167154), (12858, 154648), (17144, 115986), (17844, 111436), (19331, 102864), (23792, 83577), (25716, 77324), (27859, 71376), (34288, 57993), (35688, 55718), (38662, 51432)]