678028

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:106

約数の個数: 36

約数和(自身を含む): 1383480

約数和(自身を除く): 705452

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 59, 68, 118, 169, 221, 236, 338, 442, 676, 767, 884, 1003, 1534, 2006, 2873, 3068, 4012, 5746, 9971, 11492, 13039, 19942, 26078, 39884, 52156, 169507, 339014, 678028]

約数ペア:

[(1, 678028), (2, 339014), (4, 169507), (13, 52156), (17, 39884), (26, 26078), (34, 19942), (52, 13039), (59, 11492), (68, 9971), (118, 5746), (169, 4012), (221, 3068), (236, 2873), (338, 2006), (442, 1534), (676, 1003), (767, 884)]