1289091904

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{773}}^1$

素因数の和:1223

約数の個数: 56

約数和(自身を含む): 2604503808

約数和(自身を除く): 1315411904

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 367, 568, 734, 773, 1136, 1468, 1546, 2272, 2936, 3092, 4544, 5872, 6184, 11744, 12368, 23488, 24736, 26057, 49472, 52114, 54883, 104228, 109766, 208456, 219532, 283691, 416912, 439064, 567382, 833824, 878128, 1134764, 1667648, 1756256, 2269528, 3512512, 4539056, 9078112, 18156224, 20142061, 40284122, 80568244, 161136488, 322272976, 644545952, 1289091904]

約数ペア:

[(1, 1289091904), (2, 644545952), (4, 322272976), (8, 161136488), (16, 80568244), (32, 40284122), (64, 20142061), (71, 18156224), (142, 9078112), (284, 4539056), (367, 3512512), (568, 2269528), (734, 1756256), (773, 1667648), (1136, 1134764), (1468, 878128), (1546, 833824), (2272, 567382), (2936, 439064), (3092, 416912), (4544, 283691), (5872, 219532), (6184, 208456), (11744, 109766), (12368, 104228), (23488, 54883), (24736, 52114), (26057, 49472)]