201155185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 320993280

約数和(自身を除く): 119838095

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 107, 133, 209, 257, 385, 535, 665, 749, 1045, 1177, 1285, 1463, 1799, 2033, 2827, 3745, 4883, 5885, 7315, 8239, 8995, 10165, 14135, 14231, 19789, 22363, 24415, 27499, 34181, 41195, 53713, 71155, 98945, 111815, 137495, 156541, 170905, 192493, 268565, 302489, 375991, 522481, 782705, 962465, 1512445, 1879955, 2117423, 2612405, 3657367, 5747291, 10587115, 18286835, 28736455, 40231037, 201155185]

約数ペア:

[(1, 201155185), (5, 40231037), (7, 28736455), (11, 18286835), (19, 10587115), (35, 5747291), (55, 3657367), (77, 2612405), (95, 2117423), (107, 1879955), (133, 1512445), (209, 962465), (257, 782705), (385, 522481), (535, 375991), (665, 302489), (749, 268565), (1045, 192493), (1177, 170905), (1285, 156541), (1463, 137495), (1799, 111815), (2033, 98945), (2827, 71155), (3745, 53713), (4883, 41195), (5885, 34181), (7315, 27499), (8239, 24415), (8995, 22363), (10165, 19789), (14135, 14231)]