644943364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2267}}^1\times {\mathrm{5471}}^1$

素因数の和:7755

約数の個数: 24

約数和(自身を含む): 1216228608

約数和(自身を除く): 571285244

約数列:

[1, 2, 4, 13, 26, 52, 2267, 4534, 5471, 9068, 10942, 21884, 29471, 58942, 71123, 117884, 142246, 284492, 12402757, 24805514, 49611028, 161235841, 322471682, 644943364]

約数ペア:

[(1, 644943364), (2, 322471682), (4, 161235841), (13, 49611028), (26, 24805514), (52, 12402757), (2267, 284492), (4534, 142246), (5471, 117884), (9068, 71123), (10942, 58942), (21884, 29471)]