256711648

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{6581}}^1$

素因数の和:6667

約数の個数: 48

約数和(自身を含む): 537407136

約数和(自身を除く): 280695488

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 92, 106, 184, 212, 368, 424, 736, 848, 1219, 1696, 2438, 4876, 6581, 9752, 13162, 19504, 26324, 39008, 52648, 105296, 151363, 210592, 302726, 348793, 605452, 697586, 1210904, 1395172, 2421808, 2790344, 4843616, 5580688, 8022239, 11161376, 16044478, 32088956, 64177912, 128355824, 256711648]

約数ペア:

[(1, 256711648), (2, 128355824), (4, 64177912), (8, 32088956), (16, 16044478), (23, 11161376), (32, 8022239), (46, 5580688), (53, 4843616), (92, 2790344), (106, 2421808), (184, 1395172), (212, 1210904), (368, 697586), (424, 605452), (736, 348793), (848, 302726), (1219, 210592), (1696, 151363), (2438, 105296), (4876, 52648), (6581, 39008), (9752, 26324), (13162, 19504)]