81274844

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 167516160

約数和(自身を除く): 86241316

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 151, 188, 302, 329, 409, 604, 658, 818, 1057, 1316, 1636, 2114, 2863, 4228, 5726, 7097, 11452, 14194, 19223, 28388, 38446, 49679, 61759, 76892, 99358, 123518, 134561, 198716, 247036, 269122, 432313, 538244, 864626, 1729252, 2902673, 5805346, 11610692, 20318711, 40637422, 81274844]

約数ペア:

[(1, 81274844), (2, 40637422), (4, 20318711), (7, 11610692), (14, 5805346), (28, 2902673), (47, 1729252), (94, 864626), (151, 538244), (188, 432313), (302, 269122), (329, 247036), (409, 198716), (604, 134561), (658, 123518), (818, 99358), (1057, 76892), (1316, 61759), (1636, 49679), (2114, 38446), (2863, 28388), (4228, 19223), (5726, 14194), (7097, 11452)]