207816566

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 334540800

約数和(自身を除く): 126724234

約数列:

[1, 2, 19, 38, 109, 131, 218, 262, 383, 766, 2071, 2489, 4142, 4978, 7277, 14279, 14554, 28558, 41747, 50173, 83494, 100346, 271301, 542602, 793193, 953287, 1586386, 1906574, 5468857, 10937714, 103908283, 207816566]

約数ペア:

[(1, 207816566), (2, 103908283), (19, 10937714), (38, 5468857), (109, 1906574), (131, 1586386), (218, 953287), (262, 793193), (383, 542602), (766, 271301), (2071, 100346), (2489, 83494), (4142, 50173), (4978, 41747), (7277, 28558), (14279, 14554)]