78999816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 162920184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 139, 168, 199, 204, 238, 278, 357, 398, 408, 417, 476, 556, 597, 714, 796, 834, 952, 973, 1112, 1194, 1393, 1428, 1592, 1668, 1946, 2363, 2388, 2786, 2856, 2919, 3336, 3383, 3892, 4179, 4726, 4776, 5572, 5838, 6766, 7089, 7784, 8358, 9452, 10149, 11144, 11676, 13532, 14178, 16541, 16716, 18904, 20298, 23352, 23681, 27064, 27661, 28356, 33082, 33432, 40596, 47362, 49623, 55322, 56712, 66164, 71043, 81192, 82983, 94724, 99246, 110644, 132328, 142086, 165966, 189448, 193627, 198492, 221288, 284172, 331932, 387254, 396984, 470237, 568344, 580881, 663864, 774508, 940474, 1161762, 1410711, 1549016, 1880948, 2323524, 2821422, 3291659, 3761896, 4647048, 5642844, 6583318, 9874977, 11285688, 13166636, 19749954, 26333272, 39499908, 78999816]

約数ペア:

[(1, 78999816), (2, 39499908), (3, 26333272), (4, 19749954), (6, 13166636), (7, 11285688), (8, 9874977), (12, 6583318), (14, 5642844), (17, 4647048), (21, 3761896), (24, 3291659), (28, 2821422), (34, 2323524), (42, 1880948), (51, 1549016), (56, 1410711), (68, 1161762), (84, 940474), (102, 774508), (119, 663864), (136, 580881), (139, 568344), (168, 470237), (199, 396984), (204, 387254), (238, 331932), (278, 284172), (357, 221288), (398, 198492), (408, 193627), (417, 189448), (476, 165966), (556, 142086), (597, 132328), (714, 110644), (796, 99246), (834, 94724), (952, 82983), (973, 81192), (1112, 71043), (1194, 66164), (1393, 56712), (1428, 55322), (1592, 49623), (1668, 47362), (1946, 40596), (2363, 33432), (2388, 33082), (2786, 28356), (2856, 27661), (2919, 27064), (3336, 23681), (3383, 23352), (3892, 20298), (4179, 18904), (4726, 16716), (4776, 16541), (5572, 14178), (5838, 13532), (6766, 11676), (7089, 11144), (7784, 10149), (8358, 9452)]