81991896

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:753

約数の個数: 96

約数和(自身を含む): 240945840

約数和(自身を除く): 158953944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 113, 147, 168, 196, 226, 294, 339, 392, 452, 588, 617, 678, 791, 904, 1176, 1234, 1356, 1582, 1851, 2373, 2468, 2712, 3164, 3702, 4319, 4746, 4936, 5537, 6328, 7404, 8638, 9492, 11074, 12957, 14808, 16611, 17276, 18984, 22148, 25914, 30233, 33222, 34552, 44296, 51828, 60466, 66444, 69721, 90699, 103656, 120932, 132888, 139442, 181398, 209163, 241864, 278884, 362796, 418326, 488047, 557768, 725592, 836652, 976094, 1464141, 1673304, 1952188, 2928282, 3416329, 3904376, 5856564, 6832658, 10248987, 11713128, 13665316, 20497974, 27330632, 40995948, 81991896]

約数ペア:

[(1, 81991896), (2, 40995948), (3, 27330632), (4, 20497974), (6, 13665316), (7, 11713128), (8, 10248987), (12, 6832658), (14, 5856564), (21, 3904376), (24, 3416329), (28, 2928282), (42, 1952188), (49, 1673304), (56, 1464141), (84, 976094), (98, 836652), (113, 725592), (147, 557768), (168, 488047), (196, 418326), (226, 362796), (294, 278884), (339, 241864), (392, 209163), (452, 181398), (588, 139442), (617, 132888), (678, 120932), (791, 103656), (904, 90699), (1176, 69721), (1234, 66444), (1356, 60466), (1582, 51828), (1851, 44296), (2373, 34552), (2468, 33222), (2712, 30233), (3164, 25914), (3702, 22148), (4319, 18984), (4746, 17276), (4936, 16611), (5537, 14808), (6328, 12957), (7404, 11074), (8638, 9492)]