213531968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 112

約数和(自身を含む): 499774464

約数和(自身を除く): 286242496

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 32, 34, 52, 62, 64, 68, 104, 124, 136, 208, 221, 248, 272, 403, 416, 442, 487, 496, 527, 544, 806, 832, 884, 974, 992, 1054, 1088, 1612, 1768, 1948, 1984, 2108, 3224, 3536, 3896, 4216, 6331, 6448, 6851, 7072, 7792, 8279, 8432, 12662, 12896, 13702, 14144, 15097, 15584, 16558, 16864, 25324, 25792, 27404, 30194, 31168, 33116, 33728, 50648, 54808, 60388, 66232, 101296, 107627, 109616, 120776, 132464, 196261, 202592, 215254, 219232, 241552, 256649, 264928, 392522, 405184, 430508, 438464, 483104, 513298, 529856, 785044, 861016, 966208, 1026596, 1570088, 1722032, 2053192, 3140176, 3336437, 3444064, 4106384, 6280352, 6672874, 6888128, 8212768, 12560704, 13345748, 16425536, 26691496, 53382992, 106765984, 213531968]

約数ペア:

[(1, 213531968), (2, 106765984), (4, 53382992), (8, 26691496), (13, 16425536), (16, 13345748), (17, 12560704), (26, 8212768), (31, 6888128), (32, 6672874), (34, 6280352), (52, 4106384), (62, 3444064), (64, 3336437), (68, 3140176), (104, 2053192), (124, 1722032), (136, 1570088), (208, 1026596), (221, 966208), (248, 861016), (272, 785044), (403, 529856), (416, 513298), (442, 483104), (487, 438464), (496, 430508), (527, 405184), (544, 392522), (806, 264928), (832, 256649), (884, 241552), (974, 219232), (992, 215254), (1054, 202592), (1088, 196261), (1612, 132464), (1768, 120776), (1948, 109616), (1984, 107627), (2108, 101296), (3224, 66232), (3536, 60388), (3896, 54808), (4216, 50648), (6331, 33728), (6448, 33116), (6851, 31168), (7072, 30194), (7792, 27404), (8279, 25792), (8432, 25324), (12662, 16864), (12896, 16558), (13702, 15584), (14144, 15097)]