81730352

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 182131200

約数和(自身を除く): 100400848

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 67, 88, 116, 134, 176, 232, 239, 268, 319, 464, 478, 536, 638, 737, 956, 1072, 1276, 1474, 1912, 1943, 2552, 2629, 2948, 3824, 3886, 5104, 5258, 5896, 6931, 7772, 10516, 11792, 13862, 15544, 16013, 21032, 21373, 27724, 31088, 32026, 42064, 42746, 55448, 64052, 76241, 85492, 110896, 128104, 152482, 170984, 176143, 256208, 304964, 341968, 352286, 464377, 609928, 704572, 928754, 1219856, 1409144, 1857508, 2818288, 3715016, 5108147, 7430032, 10216294, 20432588, 40865176, 81730352]

約数ペア:

[(1, 81730352), (2, 40865176), (4, 20432588), (8, 10216294), (11, 7430032), (16, 5108147), (22, 3715016), (29, 2818288), (44, 1857508), (58, 1409144), (67, 1219856), (88, 928754), (116, 704572), (134, 609928), (176, 464377), (232, 352286), (239, 341968), (268, 304964), (319, 256208), (464, 176143), (478, 170984), (536, 152482), (638, 128104), (737, 110896), (956, 85492), (1072, 76241), (1276, 64052), (1474, 55448), (1912, 42746), (1943, 42064), (2552, 32026), (2629, 31088), (2948, 27724), (3824, 21373), (3886, 21032), (5104, 16013), (5258, 15544), (5896, 13862), (6931, 11792), (7772, 10516)]