1327664

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:525

約数の個数: 30

約数和(自身を含む): 2791116

約数和(自身を除く): 1463452

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 491, 676, 982, 1352, 1964, 2704, 3928, 6383, 7856, 12766, 25532, 51064, 82979, 102128, 165958, 331916, 663832, 1327664]

約数ペア:

[(1, 1327664), (2, 663832), (4, 331916), (8, 165958), (13, 102128), (16, 82979), (26, 51064), (52, 25532), (104, 12766), (169, 7856), (208, 6383), (338, 3928), (491, 2704), (676, 1964), (982, 1352)]