16722356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 38162880

約数和(自身を除く): 21440524

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 43, 68, 76, 86, 119, 133, 172, 238, 266, 301, 323, 476, 532, 602, 646, 731, 817, 1204, 1292, 1462, 1634, 1849, 2261, 2924, 3268, 3698, 4522, 5117, 5719, 7396, 9044, 10234, 11438, 12943, 13889, 20468, 22876, 25886, 27778, 31433, 35131, 51772, 55556, 62866, 70262, 97223, 125732, 140524, 194446, 220031, 245917, 388892, 440062, 491834, 597227, 880124, 983668, 1194454, 2388908, 4180589, 8361178, 16722356]

約数ペア:

[(1, 16722356), (2, 8361178), (4, 4180589), (7, 2388908), (14, 1194454), (17, 983668), (19, 880124), (28, 597227), (34, 491834), (38, 440062), (43, 388892), (68, 245917), (76, 220031), (86, 194446), (119, 140524), (133, 125732), (172, 97223), (238, 70262), (266, 62866), (301, 55556), (323, 51772), (476, 35131), (532, 31433), (602, 27778), (646, 25886), (731, 22876), (817, 20468), (1204, 13889), (1292, 12943), (1462, 11438), (1634, 10234), (1849, 9044), (2261, 7396), (2924, 5719), (3268, 5117), (3698, 4522)]