998401469

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1279}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 1124352000

約数和(自身を除く): 125950531

約数列:

[1, 13, 31, 149, 169, 403, 1279, 1937, 4619, 5239, 16627, 25181, 39649, 60047, 190571, 216151, 515437, 780611, 2477423, 5907701, 6700681, 32206499, 76800113, 998401469]

約数ペア:

[(1, 998401469), (13, 76800113), (31, 32206499), (149, 6700681), (169, 5907701), (403, 2477423), (1279, 780611), (1937, 515437), (4619, 216151), (5239, 190571), (16627, 60047), (25181, 39649)]