289179904

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2863

約数の個数: 72

約数和(自身を含む): 641914112

約数和(自身を除く): 352734208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2803, 3224, 3328, 3968, 5606, 6448, 7936, 11212, 12896, 22424, 25792, 36439, 44848, 51584, 72878, 86893, 89696, 103168, 145756, 173786, 179392, 291512, 347572, 358784, 583024, 695144, 717568, 1129609, 1166048, 1390288, 2259218, 2332096, 2780576, 4518436, 4664192, 5561152, 9036872, 9328384, 11122304, 18073744, 22244608, 36147488, 72294976, 144589952, 289179904]

約数ペア:

[(1, 289179904), (2, 144589952), (4, 72294976), (8, 36147488), (13, 22244608), (16, 18073744), (26, 11122304), (31, 9328384), (32, 9036872), (52, 5561152), (62, 4664192), (64, 4518436), (104, 2780576), (124, 2332096), (128, 2259218), (208, 1390288), (248, 1166048), (256, 1129609), (403, 717568), (416, 695144), (496, 583024), (806, 358784), (832, 347572), (992, 291512), (1612, 179392), (1664, 173786), (1984, 145756), (2803, 103168), (3224, 89696), (3328, 86893), (3968, 72878), (5606, 51584), (6448, 44848), (7936, 36439), (11212, 25792), (12896, 22424)]