28123656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:674

約数の個数: 64

約数和(自身を含む): 77172480

約数和(自身を除く): 49048824

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 307, 347, 614, 694, 921, 1041, 1228, 1388, 1842, 2082, 2456, 2776, 3377, 3684, 3817, 4164, 6754, 7368, 7634, 8328, 10131, 11451, 13508, 15268, 20262, 22902, 27016, 30536, 40524, 45804, 81048, 91608, 106529, 213058, 319587, 426116, 639174, 852232, 1171819, 1278348, 2343638, 2556696, 3515457, 4687276, 7030914, 9374552, 14061828, 28123656]

約数ペア:

[(1, 28123656), (2, 14061828), (3, 9374552), (4, 7030914), (6, 4687276), (8, 3515457), (11, 2556696), (12, 2343638), (22, 1278348), (24, 1171819), (33, 852232), (44, 639174), (66, 426116), (88, 319587), (132, 213058), (264, 106529), (307, 91608), (347, 81048), (614, 45804), (694, 40524), (921, 30536), (1041, 27016), (1228, 22902), (1388, 20262), (1842, 15268), (2082, 13508), (2456, 11451), (2776, 10131), (3377, 8328), (3684, 7634), (3817, 7368), (4164, 6754)]