289243388

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^2\times {\mathrm{809}}^1$

素因数の和:1046

約数の個数: 36

約数和(自身を含む): 584372880

約数和(自身を除く): 295129492

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 809, 1582, 1618, 3164, 3236, 5663, 11326, 12769, 22652, 25538, 51076, 89383, 91417, 178766, 182834, 357532, 365668, 639919, 1279838, 2559676, 10330121, 20660242, 41320484, 72310847, 144621694, 289243388]

約数ペア:

[(1, 289243388), (2, 144621694), (4, 72310847), (7, 41320484), (14, 20660242), (28, 10330121), (113, 2559676), (226, 1279838), (452, 639919), (791, 365668), (809, 357532), (1582, 182834), (1618, 178766), (3164, 91417), (3236, 89383), (5663, 51076), (11326, 25538), (12769, 22652)]