28831390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{983}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 59512320

約数和(自身を除く): 30680930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 838, 983, 1966, 2095, 2933, 4190, 4915, 5866, 6881, 9830, 13762, 14665, 29330, 34405, 68810, 411877, 823754, 2059385, 2883139, 4118770, 5766278, 14415695, 28831390]

約数ペア:

[(1, 28831390), (2, 14415695), (5, 5766278), (7, 4118770), (10, 2883139), (14, 2059385), (35, 823754), (70, 411877), (419, 68810), (838, 34405), (983, 29330), (1966, 14665), (2095, 13762), (2933, 9830), (4190, 6881), (4915, 5866)]