164215325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 224628480

約数和(自身を除く): 60413155

約数列:

[1, 5, 17, 25, 67, 73, 79, 85, 335, 365, 395, 425, 1139, 1241, 1343, 1675, 1825, 1975, 4891, 5293, 5695, 5767, 6205, 6715, 24455, 26465, 28475, 28835, 31025, 33575, 83147, 89981, 98039, 122275, 132325, 144175, 386389, 415735, 449905, 490195, 1931945, 2078675, 2249525, 2450975, 6568613, 9659725, 32843065, 164215325]

約数ペア:

[(1, 164215325), (5, 32843065), (17, 9659725), (25, 6568613), (67, 2450975), (73, 2249525), (79, 2078675), (85, 1931945), (335, 490195), (365, 449905), (395, 415735), (425, 386389), (1139, 144175), (1241, 132325), (1343, 122275), (1675, 98039), (1825, 89981), (1975, 83147), (4891, 33575), (5293, 31025), (5695, 28835), (5767, 28475), (6205, 26465), (6715, 24455)]