128269830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{328897}}^1$

素因数の和:328920

約数の個数: 32

約数和(自身を含む): 331529184

約数和(自身を除く): 203259354

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 328897, 657794, 986691, 1644485, 1973382, 3288970, 4275661, 4933455, 8551322, 9866910, 12826983, 21378305, 25653966, 42756610, 64134915, 128269830]

約数ペア:

[(1, 128269830), (2, 64134915), (3, 42756610), (5, 25653966), (6, 21378305), (10, 12826983), (13, 9866910), (15, 8551322), (26, 4933455), (30, 4275661), (39, 3288970), (65, 1973382), (78, 1644485), (130, 986691), (195, 657794), (390, 328897)]