15990216

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 28825464

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 264, 296, 407, 444, 814, 888, 1221, 1628, 1637, 2442, 3256, 3274, 4884, 4911, 6548, 9768, 9822, 13096, 18007, 19644, 36014, 39288, 54021, 60569, 72028, 108042, 121138, 144056, 181707, 216084, 242276, 363414, 432168, 484552, 666259, 726828, 1332518, 1453656, 1998777, 2665036, 3997554, 5330072, 7995108, 15990216]

約数ペア:

[(1, 15990216), (2, 7995108), (3, 5330072), (4, 3997554), (6, 2665036), (8, 1998777), (11, 1453656), (12, 1332518), (22, 726828), (24, 666259), (33, 484552), (37, 432168), (44, 363414), (66, 242276), (74, 216084), (88, 181707), (111, 144056), (132, 121138), (148, 108042), (222, 72028), (264, 60569), (296, 54021), (407, 39288), (444, 36014), (814, 19644), (888, 18007), (1221, 13096), (1628, 9822), (1637, 9768), (2442, 6548), (3256, 4911), (3274, 4884)]