197578810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4519

約数の個数: 64

約数和(自身を含む): 431391744

約数和(自身を除く): 233812934

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4030, 4433, 4457, 8866, 8914, 22165, 22285, 44330, 44570, 49027, 57941, 98054, 115882, 138167, 245135, 276334, 289705, 490270, 579410, 637351, 690835, 1274702, 1381670, 1519837, 1796171, 3039674, 3186755, 3592342, 6373510, 7599185, 8980855, 15198370, 17961710, 19757881, 39515762, 98789405, 197578810]

約数ペア:

[(1, 197578810), (2, 98789405), (5, 39515762), (10, 19757881), (11, 17961710), (13, 15198370), (22, 8980855), (26, 7599185), (31, 6373510), (55, 3592342), (62, 3186755), (65, 3039674), (110, 1796171), (130, 1519837), (143, 1381670), (155, 1274702), (286, 690835), (310, 637351), (341, 579410), (403, 490270), (682, 289705), (715, 276334), (806, 245135), (1430, 138167), (1705, 115882), (2015, 98054), (3410, 57941), (4030, 49027), (4433, 44570), (4457, 44330), (8866, 22285), (8914, 22165)]