78381764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 159763968

約数和(自身を除く): 81382204

約数列:

[1, 2, 4, 17, 19, 31, 34, 38, 62, 68, 76, 103, 124, 206, 323, 361, 412, 527, 589, 646, 722, 1054, 1178, 1292, 1444, 1751, 1957, 2108, 2356, 3193, 3502, 3914, 6137, 6386, 7004, 7828, 10013, 11191, 12274, 12772, 20026, 22382, 24548, 33269, 37183, 40052, 44764, 54281, 60667, 66538, 74366, 108562, 121334, 133076, 148732, 190247, 217124, 242668, 380494, 632111, 760988, 1031339, 1152673, 1264222, 2062678, 2305346, 2528444, 4125356, 4610692, 19595441, 39190882, 78381764]

約数ペア:

[(1, 78381764), (2, 39190882), (4, 19595441), (17, 4610692), (19, 4125356), (31, 2528444), (34, 2305346), (38, 2062678), (62, 1264222), (68, 1152673), (76, 1031339), (103, 760988), (124, 632111), (206, 380494), (323, 242668), (361, 217124), (412, 190247), (527, 148732), (589, 133076), (646, 121334), (722, 108562), (1054, 74366), (1178, 66538), (1292, 60667), (1444, 54281), (1751, 44764), (1957, 40052), (2108, 37183), (2356, 33269), (3193, 24548), (3502, 22382), (3914, 20026), (6137, 12772), (6386, 12274), (7004, 11191), (7828, 10013)]