1645812

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{311}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 4979520

約数和(自身を除く): 3333708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 311, 378, 441, 588, 622, 756, 882, 933, 1244, 1323, 1764, 1866, 2177, 2646, 2799, 3732, 4354, 5292, 5598, 6531, 8397, 8708, 11196, 13062, 15239, 16794, 19593, 26124, 30478, 33588, 39186, 45717, 58779, 60956, 78372, 91434, 117558, 137151, 182868, 235116, 274302, 411453, 548604, 822906, 1645812]

約数ペア:

[(1, 1645812), (2, 822906), (3, 548604), (4, 411453), (6, 274302), (7, 235116), (9, 182868), (12, 137151), (14, 117558), (18, 91434), (21, 78372), (27, 60956), (28, 58779), (36, 45717), (42, 39186), (49, 33588), (54, 30478), (63, 26124), (84, 19593), (98, 16794), (108, 15239), (126, 13062), (147, 11196), (189, 8708), (196, 8397), (252, 6531), (294, 5598), (311, 5292), (378, 4354), (441, 3732), (588, 2799), (622, 2646), (756, 2177), (882, 1866), (933, 1764), (1244, 1323)]