1640912

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:65

約数の個数: 80

約数和(自身を含む): 4166400

約数和(自身を除く): 2525488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 112, 161, 182, 184, 196, 208, 299, 322, 343, 364, 368, 392, 598, 637, 644, 686, 728, 784, 1127, 1196, 1274, 1288, 1372, 1456, 2093, 2254, 2392, 2548, 2576, 2744, 4186, 4459, 4508, 4784, 5096, 5488, 7889, 8372, 8918, 9016, 10192, 14651, 15778, 16744, 17836, 18032, 29302, 31556, 33488, 35672, 58604, 63112, 71344, 102557, 117208, 126224, 205114, 234416, 410228, 820456, 1640912]

約数ペア:

[(1, 1640912), (2, 820456), (4, 410228), (7, 234416), (8, 205114), (13, 126224), (14, 117208), (16, 102557), (23, 71344), (26, 63112), (28, 58604), (46, 35672), (49, 33488), (52, 31556), (56, 29302), (91, 18032), (92, 17836), (98, 16744), (104, 15778), (112, 14651), (161, 10192), (182, 9016), (184, 8918), (196, 8372), (208, 7889), (299, 5488), (322, 5096), (343, 4784), (364, 4508), (368, 4459), (392, 4186), (598, 2744), (637, 2576), (644, 2548), (686, 2392), (728, 2254), (784, 2093), (1127, 1456), (1196, 1372), (1274, 1288)]