644609712

素因数分解:

$2^4\times 3^1\times {\mathrm{419}}^1\times {\mathrm{32051}}^1$

素因数の和:32481

約数の個数: 40

約数和(自身を含む): 1669268160

約数和(自身を除く): 1024658448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 419, 838, 1257, 1676, 2514, 3352, 5028, 6704, 10056, 20112, 32051, 64102, 96153, 128204, 192306, 256408, 384612, 512816, 769224, 1538448, 13429369, 26858738, 40288107, 53717476, 80576214, 107434952, 161152428, 214869904, 322304856, 644609712]

約数ペア:

[(1, 644609712), (2, 322304856), (3, 214869904), (4, 161152428), (6, 107434952), (8, 80576214), (12, 53717476), (16, 40288107), (24, 26858738), (48, 13429369), (419, 1538448), (838, 769224), (1257, 512816), (1676, 384612), (2514, 256408), (3352, 192306), (5028, 128204), (6704, 96153), (10056, 64102), (20112, 32051)]