28915738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 46886400

約数和(自身を除く): 17970662

約数列:

[1, 2, 23, 46, 73, 79, 109, 146, 158, 218, 1679, 1817, 2507, 3358, 3634, 5014, 5767, 7957, 8611, 11534, 15914, 17222, 132641, 183011, 198053, 265282, 366022, 396106, 628603, 1257206, 14457869, 28915738]

約数ペア:

[(1, 28915738), (2, 14457869), (23, 1257206), (46, 628603), (73, 396106), (79, 366022), (109, 265282), (146, 198053), (158, 183011), (218, 132641), (1679, 17222), (1817, 15914), (2507, 11534), (3358, 8611), (3634, 7957), (5014, 5767)]