268611915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1420

約数の個数: 64

約数和(自身を含む): 510515712

約数和(自身を除く): 241903797

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 97, 143, 165, 195, 291, 429, 485, 715, 1067, 1261, 1291, 1455, 2145, 3201, 3783, 3873, 5335, 6305, 6455, 13871, 14201, 16005, 16783, 18915, 19365, 41613, 42603, 50349, 69355, 71005, 83915, 125227, 184613, 208065, 213015, 251745, 375681, 553839, 626135, 923065, 1377497, 1627951, 1878405, 2769195, 4132491, 4883853, 6887485, 8139755, 17907461, 20662455, 24419265, 53722383, 89537305, 268611915]

約数ペア:

[(1, 268611915), (3, 89537305), (5, 53722383), (11, 24419265), (13, 20662455), (15, 17907461), (33, 8139755), (39, 6887485), (55, 4883853), (65, 4132491), (97, 2769195), (143, 1878405), (165, 1627951), (195, 1377497), (291, 923065), (429, 626135), (485, 553839), (715, 375681), (1067, 251745), (1261, 213015), (1291, 208065), (1455, 184613), (2145, 125227), (3201, 83915), (3783, 71005), (3873, 69355), (5335, 50349), (6305, 42603), (6455, 41613), (13871, 19365), (14201, 18915), (16005, 16783)]