17686864

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 60

約数和(自身を含む): 38485632

約数和(自身を除く): 20798768

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 211, 248, 338, 403, 422, 496, 676, 806, 844, 1352, 1612, 1688, 2704, 2743, 3224, 3376, 5239, 5486, 6448, 6541, 10478, 10972, 13082, 20956, 21944, 26164, 35659, 41912, 43888, 52328, 71318, 83824, 85033, 104656, 142636, 170066, 285272, 340132, 570544, 680264, 1105429, 1360528, 2210858, 4421716, 8843432, 17686864]

約数ペア:

[(1, 17686864), (2, 8843432), (4, 4421716), (8, 2210858), (13, 1360528), (16, 1105429), (26, 680264), (31, 570544), (52, 340132), (62, 285272), (104, 170066), (124, 142636), (169, 104656), (208, 85033), (211, 83824), (248, 71318), (338, 52328), (403, 43888), (422, 41912), (496, 35659), (676, 26164), (806, 21944), (844, 20956), (1352, 13082), (1612, 10972), (1688, 10478), (2704, 6541), (2743, 6448), (3224, 5486), (3376, 5239)]