40149278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 67710720

約数和(自身を除く): 27561442

約数列:

[1, 2, 13, 26, 31, 62, 109, 218, 403, 457, 806, 914, 1417, 2834, 3379, 5941, 6758, 11882, 14167, 28334, 43927, 49813, 87854, 99626, 184171, 368342, 647569, 1295138, 1544203, 3088406, 20074639, 40149278]

約数ペア:

[(1, 40149278), (2, 20074639), (13, 3088406), (26, 1544203), (31, 1295138), (62, 647569), (109, 368342), (218, 184171), (403, 99626), (457, 87854), (806, 49813), (914, 43927), (1417, 28334), (2834, 14167), (3379, 11882), (5941, 6758)]