209401666

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 327444480

約数和(自身を除く): 118042814

約数列:

[1, 2, 67, 79, 131, 134, 151, 158, 262, 302, 5293, 8777, 10117, 10349, 10586, 11929, 17554, 19781, 20234, 20698, 23858, 39562, 693383, 799243, 1325327, 1386766, 1562699, 1598486, 2650654, 3125398, 104700833, 209401666]

約数ペア:

[(1, 209401666), (2, 104700833), (67, 3125398), (79, 2650654), (131, 1598486), (134, 1562699), (151, 1386766), (158, 1325327), (262, 799243), (302, 693383), (5293, 39562), (8777, 23858), (10117, 20698), (10349, 20234), (10586, 19781), (11929, 17554)]