16001972

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 33530112

約数和(自身を除く): 17528140

約数列:

[1, 2, 4, 7, 14, 28, 41, 53, 82, 106, 164, 212, 263, 287, 371, 526, 574, 742, 1052, 1148, 1484, 1841, 2173, 3682, 4346, 7364, 8692, 10783, 13939, 15211, 21566, 27878, 30422, 43132, 55756, 60844, 75481, 97573, 150962, 195146, 301924, 390292, 571499, 1142998, 2285996, 4000493, 8000986, 16001972]

約数ペア:

[(1, 16001972), (2, 8000986), (4, 4000493), (7, 2285996), (14, 1142998), (28, 571499), (41, 390292), (53, 301924), (82, 195146), (106, 150962), (164, 97573), (212, 75481), (263, 60844), (287, 55756), (371, 43132), (526, 30422), (574, 27878), (742, 21566), (1052, 15211), (1148, 13939), (1484, 10783), (1841, 8692), (2173, 7364), (3682, 4346)]