78742216

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 181294200

約数和(自身を除く): 102551984

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 61, 74, 89, 98, 122, 148, 178, 196, 244, 259, 296, 356, 392, 427, 488, 518, 623, 712, 854, 1036, 1246, 1708, 1813, 2072, 2257, 2492, 2989, 3293, 3416, 3626, 4361, 4514, 4984, 5429, 5978, 6586, 7252, 8722, 9028, 10858, 11956, 13172, 14504, 15799, 17444, 18056, 21716, 23051, 23912, 26344, 31598, 34888, 38003, 43432, 46102, 63196, 76006, 92204, 110593, 126392, 152012, 161357, 184408, 200873, 221186, 266021, 304024, 322714, 401746, 442372, 532042, 645428, 803492, 884744, 1064084, 1290856, 1406111, 1606984, 2128168, 2812222, 5624444, 9842777, 11248888, 19685554, 39371108, 78742216]

約数ペア:

[(1, 78742216), (2, 39371108), (4, 19685554), (7, 11248888), (8, 9842777), (14, 5624444), (28, 2812222), (37, 2128168), (49, 1606984), (56, 1406111), (61, 1290856), (74, 1064084), (89, 884744), (98, 803492), (122, 645428), (148, 532042), (178, 442372), (196, 401746), (244, 322714), (259, 304024), (296, 266021), (356, 221186), (392, 200873), (427, 184408), (488, 161357), (518, 152012), (623, 126392), (712, 110593), (854, 92204), (1036, 76006), (1246, 63196), (1708, 46102), (1813, 43432), (2072, 38003), (2257, 34888), (2492, 31598), (2989, 26344), (3293, 23912), (3416, 23051), (3626, 21716), (4361, 18056), (4514, 17444), (4984, 15799), (5429, 14504), (5978, 13172), (6586, 11956), (7252, 10858), (8722, 9028)]