89301290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 177520248

約数和(自身を除く): 88218958

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 338, 530, 689, 845, 997, 1378, 1690, 1994, 3445, 4985, 6890, 8957, 9970, 12961, 17914, 25922, 44785, 52841, 64805, 89570, 105682, 129610, 168493, 264205, 336986, 528410, 686933, 842465, 1373866, 1684930, 3434665, 6869330, 8930129, 17860258, 44650645, 89301290]

約数ペア:

[(1, 89301290), (2, 44650645), (5, 17860258), (10, 8930129), (13, 6869330), (26, 3434665), (53, 1684930), (65, 1373866), (106, 842465), (130, 686933), (169, 528410), (265, 336986), (338, 264205), (530, 168493), (689, 129610), (845, 105682), (997, 89570), (1378, 64805), (1690, 52841), (1994, 44785), (3445, 25922), (4985, 17914), (6890, 12961), (8957, 9970)]