17781996304

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{169909}}^1$

素因数の和:170159

約数の個数: 40

約数和(自身を含む): 35732752640

約数和(自身を除く): 17950756336

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 211, 248, 422, 496, 844, 1688, 3376, 6541, 13082, 26164, 52328, 104656, 169909, 339818, 679636, 1359272, 2718544, 5267179, 10534358, 21068716, 35850799, 42137432, 71701598, 84274864, 143403196, 286806392, 573612784, 1111374769, 2222749538, 4445499076, 8890998152, 17781996304]

約数ペア:

[(1, 17781996304), (2, 8890998152), (4, 4445499076), (8, 2222749538), (16, 1111374769), (31, 573612784), (62, 286806392), (124, 143403196), (211, 84274864), (248, 71701598), (422, 42137432), (496, 35850799), (844, 21068716), (1688, 10534358), (3376, 5267179), (6541, 2718544), (13082, 1359272), (26164, 679636), (52328, 339818), (104656, 169909)]