28071604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 56460096

約数和(自身を除く): 28388492

約数列:

[1, 2, 4, 11, 22, 37, 43, 44, 74, 86, 148, 172, 401, 407, 473, 802, 814, 946, 1591, 1604, 1628, 1892, 3182, 4411, 6364, 8822, 14837, 17243, 17501, 17644, 29674, 34486, 35002, 59348, 68972, 70004, 163207, 189673, 326414, 379346, 637991, 652828, 758692, 1275982, 2551964, 7017901, 14035802, 28071604]

約数ペア:

[(1, 28071604), (2, 14035802), (4, 7017901), (11, 2551964), (22, 1275982), (37, 758692), (43, 652828), (44, 637991), (74, 379346), (86, 326414), (148, 189673), (172, 163207), (401, 70004), (407, 68972), (473, 59348), (802, 35002), (814, 34486), (946, 29674), (1591, 17644), (1604, 17501), (1628, 17243), (1892, 14837), (3182, 8822), (4411, 6364)]