278980078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{29723}}^1$

素因数の和:29776

約数の個数: 24

約数和(自身を含む): 475643448

約数和(自身を除く): 196663370

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 4693, 9386, 29723, 59446, 386399, 564737, 772798, 1129474, 7341581, 10730003, 14683162, 21460006, 139490039, 278980078]

約数ペア:

[(1, 278980078), (2, 139490039), (13, 21460006), (19, 14683162), (26, 10730003), (38, 7341581), (247, 1129474), (361, 772798), (494, 564737), (722, 386399), (4693, 59446), (9386, 29723)]