28821890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 54197424

約数和(自身を除く): 25375534

約数列:

[1, 2, 5, 10, 37, 61, 74, 122, 185, 305, 370, 610, 1277, 2257, 2554, 4514, 6385, 11285, 12770, 22570, 47249, 77897, 94498, 155794, 236245, 389485, 472490, 778970, 2882189, 5764378, 14410945, 28821890]

約数ペア:

[(1, 28821890), (2, 14410945), (5, 5764378), (10, 2882189), (37, 778970), (61, 472490), (74, 389485), (122, 236245), (185, 155794), (305, 94498), (370, 77897), (610, 47249), (1277, 22570), (2257, 12770), (2554, 11285), (4514, 6385)]