257568904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1229}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 541987200

約数和(自身を除く): 284418296

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 67, 68, 92, 134, 136, 184, 268, 391, 536, 782, 1139, 1229, 1541, 1564, 2278, 2458, 3082, 3128, 4556, 4916, 6164, 9112, 9832, 12328, 20893, 26197, 28267, 41786, 52394, 56534, 82343, 83572, 104788, 113068, 164686, 167144, 209576, 226136, 329372, 480539, 658744, 961078, 1399831, 1893889, 1922156, 2799662, 3787778, 3844312, 5599324, 7575556, 11198648, 15151112, 32196113, 64392226, 128784452, 257568904]

約数ペア:

[(1, 257568904), (2, 128784452), (4, 64392226), (8, 32196113), (17, 15151112), (23, 11198648), (34, 7575556), (46, 5599324), (67, 3844312), (68, 3787778), (92, 2799662), (134, 1922156), (136, 1893889), (184, 1399831), (268, 961078), (391, 658744), (536, 480539), (782, 329372), (1139, 226136), (1229, 209576), (1541, 167144), (1564, 164686), (2278, 113068), (2458, 104788), (3082, 83572), (3128, 82343), (4556, 56534), (4916, 52394), (6164, 41786), (9112, 28267), (9832, 26197), (12328, 20893)]