678990074

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1\times {\mathrm{761}}^1$

素因数の和:1502

約数の個数: 32

約数和(自身を含む): 1178917632

約数和(自身を除く): 499927558

約数列:

[1, 2, 7, 14, 101, 202, 631, 707, 761, 1262, 1414, 1522, 4417, 5327, 8834, 10654, 63731, 76861, 127462, 153722, 446117, 480191, 538027, 892234, 960382, 1076054, 3361337, 6722674, 48499291, 96998582, 339495037, 678990074]

約数ペア:

[(1, 678990074), (2, 339495037), (7, 96998582), (14, 48499291), (101, 6722674), (202, 3361337), (631, 1076054), (707, 960382), (761, 892234), (1262, 538027), (1414, 480191), (1522, 446117), (4417, 153722), (5327, 127462), (8834, 76861), (10654, 63731)]