28378616

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1531}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 61034880

約数和(自身を除く): 32656264

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1324, 1531, 2317, 2648, 3062, 4634, 6124, 9268, 10717, 12248, 18536, 21434, 42868, 85736, 506761, 1013522, 2027044, 3547327, 4054088, 7094654, 14189308, 28378616]

約数ペア:

[(1, 28378616), (2, 14189308), (4, 7094654), (7, 4054088), (8, 3547327), (14, 2027044), (28, 1013522), (56, 506761), (331, 85736), (662, 42868), (1324, 21434), (1531, 18536), (2317, 12248), (2648, 10717), (3062, 9268), (4634, 6124)]