438687067

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{727}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 570752000

約数和(自身を除く): 132064933

約数列:

[1, 7, 13, 19, 91, 133, 247, 349, 727, 1729, 2443, 4537, 5089, 6631, 9451, 13813, 31759, 46417, 66157, 86203, 96691, 179569, 253723, 603421, 1256983, 1776061, 3298399, 4820737, 23088793, 33745159, 62669581, 438687067]

約数ペア:

[(1, 438687067), (7, 62669581), (13, 33745159), (19, 23088793), (91, 4820737), (133, 3298399), (247, 1776061), (349, 1256983), (727, 603421), (1729, 253723), (2443, 179569), (4537, 96691), (5089, 86203), (6631, 66157), (9451, 46417), (13813, 31759)]