231028

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 476672

約数和(自身を除く): 245644

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 223, 259, 446, 518, 892, 1036, 1561, 3122, 6244, 8251, 16502, 33004, 57757, 115514, 231028]

約数ペア:

[(1, 231028), (2, 115514), (4, 57757), (7, 33004), (14, 16502), (28, 8251), (37, 6244), (74, 3122), (148, 1561), (223, 1036), (259, 892), (446, 518)]