280028931847

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1\times {\mathrm{4987}}^1$

素因数の和:6391

約数の個数: 32

約数和(自身を含む): 328652536320

約数和(自身を除く): 48623604473

約数列:

[1, 7, 61, 107, 427, 749, 1229, 4987, 6527, 8603, 34909, 45689, 74969, 131503, 304207, 524783, 533609, 920521, 2129449, 3735263, 6129023, 8021683, 32550149, 42903161, 56151781, 227851043, 373870403, 655805461, 2617092821, 4590638227, 40004133121, 280028931847]

約数ペア:

[(1, 280028931847), (7, 40004133121), (61, 4590638227), (107, 2617092821), (427, 655805461), (749, 373870403), (1229, 227851043), (4987, 56151781), (6527, 42903161), (8603, 32550149), (34909, 8021683), (45689, 6129023), (74969, 3735263), (131503, 2129449), (304207, 920521), (524783, 533609)]