72489473

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 88099200

約数和(自身を除く): 15609727

約数列:

[1, 7, 29, 49, 139, 203, 367, 973, 1421, 2569, 4031, 6811, 10643, 17983, 28217, 51013, 74501, 197519, 357091, 521507, 1479377, 2499637, 10355639, 72489473]

約数ペア:

[(1, 72489473), (7, 10355639), (29, 2499637), (49, 1479377), (139, 521507), (203, 357091), (367, 197519), (973, 74501), (1421, 51013), (2569, 28217), (4031, 17983), (6811, 10643)]