28440664

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2659}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 61286400

約数和(自身を除く): 32845736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2659, 2674, 5318, 5348, 10636, 10696, 18613, 21272, 37226, 74452, 148904, 507869, 1015738, 2031476, 3555083, 4062952, 7110166, 14220332, 28440664]

約数ペア:

[(1, 28440664), (2, 14220332), (4, 7110166), (7, 4062952), (8, 3555083), (14, 2031476), (28, 1015738), (56, 507869), (191, 148904), (382, 74452), (764, 37226), (1337, 21272), (1528, 18613), (2659, 10696), (2674, 10636), (5318, 5348)]