209225198

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 408240000

約数和(自身を除く): 199014802

約数列:

[1, 2, 7, 13, 14, 26, 29, 49, 58, 91, 98, 182, 203, 343, 377, 406, 637, 686, 754, 809, 1274, 1421, 1618, 2639, 2842, 4459, 5278, 5663, 8918, 9947, 10517, 11326, 18473, 19894, 21034, 23461, 36946, 39641, 46922, 73619, 79282, 129311, 147238, 164227, 258622, 277487, 304993, 328454, 515333, 554974, 609986, 1030666, 1149589, 2134951, 2299178, 3607331, 4269902, 7214662, 8047123, 14944657, 16094246, 29889314, 104612599, 209225198]

約数ペア:

[(1, 209225198), (2, 104612599), (7, 29889314), (13, 16094246), (14, 14944657), (26, 8047123), (29, 7214662), (49, 4269902), (58, 3607331), (91, 2299178), (98, 2134951), (182, 1149589), (203, 1030666), (343, 609986), (377, 554974), (406, 515333), (637, 328454), (686, 304993), (754, 277487), (809, 258622), (1274, 164227), (1421, 147238), (1618, 129311), (2639, 79282), (2842, 73619), (4459, 46922), (5278, 39641), (5663, 36946), (8918, 23461), (9947, 21034), (10517, 19894), (11326, 18473)]