28202678

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 21563722

約数列:

[1, 2, 7, 14, 53, 106, 191, 199, 371, 382, 398, 742, 1337, 1393, 2674, 2786, 10123, 10547, 20246, 21094, 38009, 70861, 73829, 76018, 141722, 147658, 266063, 532126, 2014477, 4028954, 14101339, 28202678]

約数ペア:

[(1, 28202678), (2, 14101339), (7, 4028954), (14, 2014477), (53, 532126), (106, 266063), (191, 147658), (199, 141722), (371, 76018), (382, 73829), (398, 70861), (742, 38009), (1337, 21094), (1393, 20246), (2674, 10547), (2786, 10123)]