7857906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 19430400

約数和(自身を除く): 11572494

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 86, 114, 129, 133, 229, 258, 266, 301, 399, 458, 602, 687, 798, 817, 903, 1374, 1603, 1634, 1806, 2451, 3206, 4351, 4809, 4902, 5719, 8702, 9618, 9847, 11438, 13053, 17157, 19694, 26106, 29541, 30457, 34314, 59082, 60914, 68929, 91371, 137858, 182742, 187093, 206787, 374186, 413574, 561279, 1122558, 1309651, 2619302, 3928953, 7857906]

約数ペア:

[(1, 7857906), (2, 3928953), (3, 2619302), (6, 1309651), (7, 1122558), (14, 561279), (19, 413574), (21, 374186), (38, 206787), (42, 187093), (43, 182742), (57, 137858), (86, 91371), (114, 68929), (129, 60914), (133, 59082), (229, 34314), (258, 30457), (266, 29541), (301, 26106), (399, 19694), (458, 17157), (602, 13053), (687, 11438), (798, 9847), (817, 9618), (903, 8702), (1374, 5719), (1603, 4902), (1634, 4809), (1806, 4351), (2451, 3206)]