1990331663788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{24919}}^1\times {\mathrm{90353}}^1$

素因数の和:115306

約数の個数: 48

約数和(自身を含む): 3971860643520

約数和(自身を除く): 1981528979732

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 24919, 49838, 90353, 99676, 180706, 323947, 361412, 423623, 647894, 847246, 1174589, 1295788, 1536001, 1694492, 2349178, 3072002, 4698356, 5507099, 6144004, 11014198, 19968013, 22028396, 39936026, 79872052, 2251506407, 4503012814, 9006025628, 29269583291, 38275608919, 58539166582, 76551217838, 117078333164, 153102435676, 497582915947, 995165831894, 1990331663788]

約数ペア:

[(1, 1990331663788), (2, 995165831894), (4, 497582915947), (13, 153102435676), (17, 117078333164), (26, 76551217838), (34, 58539166582), (52, 38275608919), (68, 29269583291), (221, 9006025628), (442, 4503012814), (884, 2251506407), (24919, 79872052), (49838, 39936026), (90353, 22028396), (99676, 19968013), (180706, 11014198), (323947, 6144004), (361412, 5507099), (423623, 4698356), (647894, 3072002), (847246, 2349178), (1174589, 1694492), (1295788, 1536001)]