28322970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72623}}^1$

素因数の和:72646

約数の個数: 32

約数和(自身を含む): 73204992

約数和(自身を除く): 44882022

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72623, 145246, 217869, 363115, 435738, 726230, 944099, 1089345, 1888198, 2178690, 2832297, 4720495, 5664594, 9440990, 14161485, 28322970]

約数ペア:

[(1, 28322970), (2, 14161485), (3, 9440990), (5, 5664594), (6, 4720495), (10, 2832297), (13, 2178690), (15, 1888198), (26, 1089345), (30, 944099), (39, 726230), (65, 435738), (78, 363115), (130, 217869), (195, 145246), (390, 72623)]