636394970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{5171}}^1$

素因数の和:5606

約数の個数: 32

約数和(自身を含む): 1185670656

約数和(自身を除く): 549275686

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 397, 794, 1985, 3970, 5171, 10342, 12307, 24614, 25855, 51710, 61535, 123070, 160301, 320602, 801505, 1603010, 2052887, 4105774, 10264435, 20528870, 63639497, 127278994, 318197485, 636394970]

約数ペア:

[(1, 636394970), (2, 318197485), (5, 127278994), (10, 63639497), (31, 20528870), (62, 10264435), (155, 4105774), (310, 2052887), (397, 1603010), (794, 801505), (1985, 320602), (3970, 160301), (5171, 123070), (10342, 61535), (12307, 51710), (24614, 25855)]