81943466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 149022720

約数和(自身を除く): 67079254

約数列:

[1, 2, 11, 19, 22, 38, 43, 47, 86, 94, 97, 194, 209, 418, 473, 517, 817, 893, 946, 1034, 1067, 1634, 1786, 1843, 2021, 2134, 3686, 4042, 4171, 4559, 8342, 8987, 9118, 9823, 17974, 19646, 20273, 22231, 38399, 40546, 44462, 45881, 50149, 76798, 79249, 86621, 91762, 100298, 158498, 173242, 196037, 392074, 422389, 844778, 871739, 952831, 1743478, 1905662, 2156407, 3724703, 4312814, 7449406, 40971733, 81943466]

約数ペア:

[(1, 81943466), (2, 40971733), (11, 7449406), (19, 4312814), (22, 3724703), (38, 2156407), (43, 1905662), (47, 1743478), (86, 952831), (94, 871739), (97, 844778), (194, 422389), (209, 392074), (418, 196037), (473, 173242), (517, 158498), (817, 100298), (893, 91762), (946, 86621), (1034, 79249), (1067, 76798), (1634, 50149), (1786, 45881), (1843, 44462), (2021, 40546), (2134, 38399), (3686, 22231), (4042, 20273), (4171, 19646), (4559, 17974), (8342, 9823), (8987, 9118)]