28478646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 96

約数和(自身を含む): 76197888

約数和(自身を除く): 47719242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 31, 42, 46, 62, 63, 69, 93, 126, 138, 161, 186, 207, 217, 279, 317, 322, 414, 434, 483, 558, 634, 651, 713, 951, 966, 1302, 1426, 1449, 1902, 1953, 2139, 2219, 2853, 2898, 3906, 4278, 4438, 4991, 5706, 6417, 6657, 7291, 9827, 9982, 12834, 13314, 14582, 14973, 19654, 19971, 21873, 29481, 29946, 39942, 43746, 44919, 51037, 58962, 65619, 68789, 88443, 89838, 102074, 131238, 137578, 153111, 176886, 206367, 226021, 306222, 412734, 452042, 459333, 619101, 678063, 918666, 1238202, 1356126, 1582147, 2034189, 3164294, 4068378, 4746441, 9492882, 14239323, 28478646]

約数ペア:

[(1, 28478646), (2, 14239323), (3, 9492882), (6, 4746441), (7, 4068378), (9, 3164294), (14, 2034189), (18, 1582147), (21, 1356126), (23, 1238202), (31, 918666), (42, 678063), (46, 619101), (62, 459333), (63, 452042), (69, 412734), (93, 306222), (126, 226021), (138, 206367), (161, 176886), (186, 153111), (207, 137578), (217, 131238), (279, 102074), (317, 89838), (322, 88443), (414, 68789), (434, 65619), (483, 58962), (558, 51037), (634, 44919), (651, 43746), (713, 39942), (951, 29946), (966, 29481), (1302, 21873), (1426, 19971), (1449, 19654), (1902, 14973), (1953, 14582), (2139, 13314), (2219, 12834), (2853, 9982), (2898, 9827), (3906, 7291), (4278, 6657), (4438, 6417), (4991, 5706)]