155965355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4339}}^1$

素因数の和:4443

約数の個数: 32

約数和(自身を含む): 233318400

約数和(自身を除く): 77353045

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 395, 455, 553, 1027, 2765, 4339, 5135, 7189, 21695, 30373, 35945, 56407, 151865, 282035, 342781, 394849, 1713905, 1974245, 2399467, 4456153, 11997335, 22280765, 31193071, 155965355]

約数ペア:

[(1, 155965355), (5, 31193071), (7, 22280765), (13, 11997335), (35, 4456153), (65, 2399467), (79, 1974245), (91, 1713905), (395, 394849), (455, 342781), (553, 282035), (1027, 151865), (2765, 56407), (4339, 35945), (5135, 30373), (7189, 21695)]