399267076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{983}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 770684544

約数和(自身を除く): 371417468

約数列:

[1, 2, 4, 13, 26, 52, 73, 107, 146, 214, 292, 428, 949, 983, 1391, 1898, 1966, 2782, 3796, 3932, 5564, 7811, 12779, 15622, 25558, 31244, 51116, 71759, 101543, 105181, 143518, 203086, 210362, 287036, 406172, 420724, 932867, 1367353, 1865734, 2734706, 3731468, 5469412, 7678213, 15356426, 30712852, 99816769, 199633538, 399267076]

約数ペア:

[(1, 399267076), (2, 199633538), (4, 99816769), (13, 30712852), (26, 15356426), (52, 7678213), (73, 5469412), (107, 3731468), (146, 2734706), (214, 1865734), (292, 1367353), (428, 932867), (949, 420724), (983, 406172), (1391, 287036), (1898, 210362), (1966, 203086), (2782, 143518), (3796, 105181), (3932, 101543), (5564, 71759), (7811, 51116), (12779, 31244), (15622, 25558)]