15984444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 44123520

約数和(自身を除く): 28139076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 139, 148, 222, 259, 278, 417, 444, 518, 556, 777, 834, 973, 1036, 1369, 1554, 1668, 1946, 2738, 2919, 3108, 3892, 4107, 5143, 5476, 5838, 8214, 9583, 10286, 11676, 15429, 16428, 19166, 20572, 28749, 30858, 36001, 38332, 57498, 61716, 72002, 108003, 114996, 144004, 190291, 216006, 380582, 432012, 570873, 761164, 1141746, 1332037, 2283492, 2664074, 3996111, 5328148, 7992222, 15984444]

約数ペア:

[(1, 15984444), (2, 7992222), (3, 5328148), (4, 3996111), (6, 2664074), (7, 2283492), (12, 1332037), (14, 1141746), (21, 761164), (28, 570873), (37, 432012), (42, 380582), (74, 216006), (84, 190291), (111, 144004), (139, 114996), (148, 108003), (222, 72002), (259, 61716), (278, 57498), (417, 38332), (444, 36001), (518, 30858), (556, 28749), (777, 20572), (834, 19166), (973, 16428), (1036, 15429), (1369, 11676), (1554, 10286), (1668, 9583), (1946, 8214), (2738, 5838), (2919, 5476), (3108, 5143), (3892, 4107)]