395395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 645120

約数和(自身を除く): 249725

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 79, 91, 143, 385, 395, 455, 553, 715, 869, 1001, 1027, 2765, 4345, 5005, 5135, 6083, 7189, 11297, 30415, 35945, 56485, 79079, 395395]

約数ペア:

[(1, 395395), (5, 79079), (7, 56485), (11, 35945), (13, 30415), (35, 11297), (55, 7189), (65, 6083), (77, 5135), (79, 5005), (91, 4345), (143, 2765), (385, 1027), (395, 1001), (455, 869), (553, 715)]