999146590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{1901}}^1$

素因数の和:2245

約数の個数: 48

約数和(自身を含む): 1954738656

約数和(自身を除く): 955592066

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 311, 338, 622, 845, 1555, 1690, 1901, 3110, 3802, 4043, 8086, 9505, 19010, 20215, 24713, 40430, 49426, 52559, 105118, 123565, 247130, 262795, 321269, 525590, 591211, 642538, 1182422, 1606345, 2956055, 3212690, 5912110, 7685743, 15371486, 38428715, 76857430, 99914659, 199829318, 499573295, 999146590]

約数ペア:

[(1, 999146590), (2, 499573295), (5, 199829318), (10, 99914659), (13, 76857430), (26, 38428715), (65, 15371486), (130, 7685743), (169, 5912110), (311, 3212690), (338, 2956055), (622, 1606345), (845, 1182422), (1555, 642538), (1690, 591211), (1901, 525590), (3110, 321269), (3802, 262795), (4043, 247130), (8086, 123565), (9505, 105118), (19010, 52559), (20215, 49426), (24713, 40430)]