628081012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 1204035840

約数和(自身を除く): 575954828

約数列:

[1, 2, 4, 13, 26, 52, 107, 157, 214, 314, 428, 628, 719, 1391, 1438, 2041, 2782, 2876, 4082, 5564, 8164, 9347, 16799, 18694, 33598, 37388, 67196, 76933, 112883, 153866, 218387, 225766, 307732, 436774, 451532, 873548, 1000129, 1467479, 2000258, 2934958, 4000516, 5869916, 12078481, 24156962, 48313924, 157020253, 314040506, 628081012]

約数ペア:

[(1, 628081012), (2, 314040506), (4, 157020253), (13, 48313924), (26, 24156962), (52, 12078481), (107, 5869916), (157, 4000516), (214, 2934958), (314, 2000258), (428, 1467479), (628, 1000129), (719, 873548), (1391, 451532), (1438, 436774), (2041, 307732), (2782, 225766), (2876, 218387), (4082, 153866), (5564, 112883), (8164, 76933), (9347, 67196), (16799, 37388), (18694, 33598)]