1538991216

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{218111}}^1$

素因数の和:218139

約数の個数: 90

約数和(自身を含む): 5010250752

約数和(自身を除く): 3471259536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 218111, 436222, 654333, 872444, 1308666, 1526777, 1744888, 1962999, 2617332, 3053554, 3489776, 3925998, 4580331, 5234664, 6107108, 7851996, 9160662, 10469328, 10687439, 12214216, 13740993, 15703992, 18321324, 21374878, 24428432, 27481986, 31407984, 32062317, 36642648, 42749756, 54963972, 64124634, 73285296, 85499512, 96186951, 109927944, 128249268, 170999024, 192373902, 219855888, 256498536, 384747804, 512997072, 769495608, 1538991216]

約数ペア:

[(1, 1538991216), (2, 769495608), (3, 512997072), (4, 384747804), (6, 256498536), (7, 219855888), (8, 192373902), (9, 170999024), (12, 128249268), (14, 109927944), (16, 96186951), (18, 85499512), (21, 73285296), (24, 64124634), (28, 54963972), (36, 42749756), (42, 36642648), (48, 32062317), (49, 31407984), (56, 27481986), (63, 24428432), (72, 21374878), (84, 18321324), (98, 15703992), (112, 13740993), (126, 12214216), (144, 10687439), (147, 10469328), (168, 9160662), (196, 7851996), (252, 6107108), (294, 5234664), (336, 4580331), (392, 3925998), (441, 3489776), (504, 3053554), (588, 2617332), (784, 1962999), (882, 1744888), (1008, 1526777), (1176, 1308666), (1764, 872444), (2352, 654333), (3528, 436222), (7056, 218111)]