138532405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{647}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 193155840

約数和(自身を除く): 54623435

約数列:

[1, 5, 11, 17, 55, 85, 187, 229, 647, 935, 1145, 2519, 3235, 3893, 7117, 10999, 12595, 19465, 35585, 42823, 54995, 120989, 148163, 214115, 604945, 740815, 1629793, 2518771, 8148965, 12593855, 27706481, 138532405]

約数ペア:

[(1, 138532405), (5, 27706481), (11, 12593855), (17, 8148965), (55, 2518771), (85, 1629793), (187, 740815), (229, 604945), (647, 214115), (935, 148163), (1145, 120989), (2519, 54995), (3235, 42823), (3893, 35585), (7117, 19465), (10999, 12595)]