388620986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{2609}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 666928080

約数和(自身を除く): 278307094

約数列:

[1, 2, 13, 17, 26, 34, 221, 337, 442, 674, 2609, 4381, 5218, 5729, 8762, 11458, 33917, 44353, 67834, 74477, 88706, 148954, 576589, 879233, 1153178, 1758466, 11430029, 14946961, 22860058, 29893922, 194310493, 388620986]

約数ペア:

[(1, 388620986), (2, 194310493), (13, 29893922), (17, 22860058), (26, 14946961), (34, 11430029), (221, 1758466), (337, 1153178), (442, 879233), (674, 576589), (2609, 148954), (4381, 88706), (5218, 74477), (5729, 67834), (8762, 44353), (11458, 33917)]