218769516

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{2531}}^1$

素因数の和:2569

約数の個数: 90

約数和(自身を含む): 645384012

約数和(自身を除く): 426614496

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 2401, 2531, 3087, 4116, 4802, 5062, 6174, 7203, 7593, 9604, 10124, 12348, 14406, 15186, 17717, 21609, 22779, 28812, 30372, 35434, 43218, 45558, 53151, 70868, 86436, 91116, 106302, 124019, 159453, 212604, 248038, 318906, 372057, 496076, 637812, 744114, 868133, 1116171, 1488228, 1736266, 2232342, 2604399, 3472532, 4464684, 5208798, 6076931, 7813197, 10417596, 12153862, 15626394, 18230793, 24307724, 31252788, 36461586, 54692379, 72923172, 109384758, 218769516]

約数ペア:

[(1, 218769516), (2, 109384758), (3, 72923172), (4, 54692379), (6, 36461586), (7, 31252788), (9, 24307724), (12, 18230793), (14, 15626394), (18, 12153862), (21, 10417596), (28, 7813197), (36, 6076931), (42, 5208798), (49, 4464684), (63, 3472532), (84, 2604399), (98, 2232342), (126, 1736266), (147, 1488228), (196, 1116171), (252, 868133), (294, 744114), (343, 637812), (441, 496076), (588, 372057), (686, 318906), (882, 248038), (1029, 212604), (1372, 159453), (1764, 124019), (2058, 106302), (2401, 91116), (2531, 86436), (3087, 70868), (4116, 53151), (4802, 45558), (5062, 43218), (6174, 35434), (7203, 30372), (7593, 28812), (9604, 22779), (10124, 21609), (12348, 17717), (14406, 15186)]