218640968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{300331}}^1$

素因数の和:300357

約数の個数: 32

約数和(自身を含む): 504557760

約数和(自身を除く): 285916792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 300331, 600662, 1201324, 2102317, 2402648, 3904303, 4204634, 7808606, 8409268, 15617212, 16818536, 27330121, 31234424, 54660242, 109320484, 218640968]

約数ペア:

[(1, 218640968), (2, 109320484), (4, 54660242), (7, 31234424), (8, 27330121), (13, 16818536), (14, 15617212), (26, 8409268), (28, 7808606), (52, 4204634), (56, 3904303), (91, 2402648), (104, 2102317), (182, 1201324), (364, 600662), (728, 300331)]