647542506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{360949}}^1$

素因数の和:360990

約数の個数: 32

約数和(自身を含む): 1455350400

約数和(自身を除く): 807807894

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 360949, 721898, 1082847, 2165694, 4692337, 8301827, 9384674, 14077011, 16603654, 24905481, 28154022, 49810962, 107923751, 215847502, 323771253, 647542506]

約数ペア:

[(1, 647542506), (2, 323771253), (3, 215847502), (6, 107923751), (13, 49810962), (23, 28154022), (26, 24905481), (39, 16603654), (46, 14077011), (69, 9384674), (78, 8301827), (138, 4692337), (299, 2165694), (598, 1082847), (897, 721898), (1794, 360949)]