38891125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 60293376

約数和(自身を除く): 21402251

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 169, 175, 263, 325, 455, 845, 875, 1183, 1315, 1625, 1841, 2275, 3419, 4225, 5915, 6575, 9205, 11375, 17095, 21125, 23933, 29575, 32875, 44447, 46025, 85475, 119665, 147875, 222235, 230125, 311129, 427375, 598325, 1111175, 1555645, 2991625, 5555875, 7778225, 38891125]

約数ペア:

[(1, 38891125), (5, 7778225), (7, 5555875), (13, 2991625), (25, 1555645), (35, 1111175), (65, 598325), (91, 427375), (125, 311129), (169, 230125), (175, 222235), (263, 147875), (325, 119665), (455, 85475), (845, 46025), (875, 44447), (1183, 32875), (1315, 29575), (1625, 23933), (1841, 21125), (2275, 17095), (3419, 11375), (4225, 9205), (5915, 6575)]