1289089984

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:990

約数の個数: 112

約数和(自身を含む): 3161995200

約数和(自身を除く): 1872905216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 389, 416, 448, 569, 728, 778, 832, 1138, 1456, 1556, 2276, 2723, 2912, 3112, 3983, 4552, 5057, 5446, 5824, 6224, 7397, 7966, 9104, 10114, 10892, 12448, 14794, 15932, 18208, 20228, 21784, 24896, 29588, 31864, 35399, 36416, 40456, 43568, 51779, 59176, 63728, 70798, 80912, 87136, 103558, 118352, 127456, 141596, 161824, 174272, 207116, 221341, 236704, 254912, 283192, 323648, 414232, 442682, 473408, 566384, 828464, 885364, 1132768, 1549387, 1656928, 1770728, 2265536, 2877433, 3098774, 3313856, 3541456, 5754866, 6197548, 7082912, 11509732, 12395096, 14165824, 20142031, 23019464, 24790192, 40284062, 46038928, 49580384, 80568124, 92077856, 99160768, 161136248, 184155712, 322272496, 644544992, 1289089984]

約数ペア:

[(1, 1289089984), (2, 644544992), (4, 322272496), (7, 184155712), (8, 161136248), (13, 99160768), (14, 92077856), (16, 80568124), (26, 49580384), (28, 46038928), (32, 40284062), (52, 24790192), (56, 23019464), (64, 20142031), (91, 14165824), (104, 12395096), (112, 11509732), (182, 7082912), (208, 6197548), (224, 5754866), (364, 3541456), (389, 3313856), (416, 3098774), (448, 2877433), (569, 2265536), (728, 1770728), (778, 1656928), (832, 1549387), (1138, 1132768), (1456, 885364), (1556, 828464), (2276, 566384), (2723, 473408), (2912, 442682), (3112, 414232), (3983, 323648), (4552, 283192), (5057, 254912), (5446, 236704), (5824, 221341), (6224, 207116), (7397, 174272), (7966, 161824), (9104, 141596), (10114, 127456), (10892, 118352), (12448, 103558), (14794, 87136), (15932, 80912), (18208, 70798), (20228, 63728), (21784, 59176), (24896, 51779), (29588, 43568), (31864, 40456), (35399, 36416)]