644629447808

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{218963807}}^1$

素因数の和:218963844

約数の個数: 32

約数和(自身を含む): 1340058504960

約数和(自身を除く): 695429057152

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 368, 736, 1472, 2944, 218963807, 437927614, 875855228, 1751710456, 3503420912, 5036167561, 7006841824, 10072335122, 14013683648, 20144670244, 28027367296, 40289340488, 80578680976, 161157361952, 322314723904, 644629447808]

約数ペア:

[(1, 644629447808), (2, 322314723904), (4, 161157361952), (8, 80578680976), (16, 40289340488), (23, 28027367296), (32, 20144670244), (46, 14013683648), (64, 10072335122), (92, 7006841824), (128, 5036167561), (184, 3503420912), (368, 1751710456), (736, 875855228), (1472, 437927614), (2944, 218963807)]