645634872

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{218711}}^1$

素因数の和:218764

約数の個数: 48

約数和(自身を含む): 1791251280

約数和(自身を除く): 1145616408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 72, 82, 123, 164, 246, 328, 369, 492, 738, 984, 1476, 2952, 218711, 437422, 656133, 874844, 1312266, 1749688, 1968399, 2624532, 3936798, 5249064, 7873596, 8967151, 15747192, 17934302, 26901453, 35868604, 53802906, 71737208, 80704359, 107605812, 161408718, 215211624, 322817436, 645634872]

約数ペア:

[(1, 645634872), (2, 322817436), (3, 215211624), (4, 161408718), (6, 107605812), (8, 80704359), (9, 71737208), (12, 53802906), (18, 35868604), (24, 26901453), (36, 17934302), (41, 15747192), (72, 8967151), (82, 7873596), (123, 5249064), (164, 3936798), (246, 2624532), (328, 1968399), (369, 1749688), (492, 1312266), (738, 874844), (984, 656133), (1476, 437422), (2952, 218711)]