28505804

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{24659}}^1$

素因数の和:24697

約数の個数: 18

約数和(自身を含む): 52994340

約数和(自身を除く): 24488536

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 24659, 49318, 98636, 419203, 838406, 1676812, 7126451, 14252902, 28505804]

約数ペア:

[(1, 28505804), (2, 14252902), (4, 7126451), (17, 1676812), (34, 838406), (68, 419203), (289, 98636), (578, 49318), (1156, 24659)]