28329426

素因数分解:

$2^1\times 3^5\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:909

約数の個数: 48

約数和(自身を含む): 64628928

約数和(自身を除く): 36299502

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 243, 426, 486, 639, 821, 1278, 1642, 1917, 2463, 3834, 4926, 5751, 7389, 11502, 14778, 17253, 22167, 34506, 44334, 58291, 66501, 116582, 133002, 174873, 199503, 349746, 399006, 524619, 1049238, 1573857, 3147714, 4721571, 9443142, 14164713, 28329426]

約数ペア:

[(1, 28329426), (2, 14164713), (3, 9443142), (6, 4721571), (9, 3147714), (18, 1573857), (27, 1049238), (54, 524619), (71, 399006), (81, 349746), (142, 199503), (162, 174873), (213, 133002), (243, 116582), (426, 66501), (486, 58291), (639, 44334), (821, 34506), (1278, 22167), (1642, 17253), (1917, 14778), (2463, 11502), (3834, 7389), (4926, 5751)]