400439488

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{1907}}^1$

素因数の和:2129

約数の個数: 56

約数和(自身を含む): 846167472

約数和(自身を除く): 445727984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 193, 272, 386, 544, 772, 1088, 1544, 1907, 3088, 3281, 3814, 6176, 6562, 7628, 12352, 13124, 15256, 26248, 30512, 32419, 52496, 61024, 64838, 104992, 122048, 129676, 209984, 259352, 368051, 518704, 736102, 1037408, 1472204, 2074816, 2944408, 5888816, 6256867, 11777632, 12513734, 23555264, 25027468, 50054936, 100109872, 200219744, 400439488]

約数ペア:

[(1, 400439488), (2, 200219744), (4, 100109872), (8, 50054936), (16, 25027468), (17, 23555264), (32, 12513734), (34, 11777632), (64, 6256867), (68, 5888816), (136, 2944408), (193, 2074816), (272, 1472204), (386, 1037408), (544, 736102), (772, 518704), (1088, 368051), (1544, 259352), (1907, 209984), (3088, 129676), (3281, 122048), (3814, 104992), (6176, 64838), (6562, 61024), (7628, 52496), (12352, 32419), (13124, 30512), (15256, 26248)]