65321728

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 136866240

約数和(自身を除く): 71544512

約数列:

[1, 2, 4, 8, 16, 32, 47, 61, 64, 89, 94, 122, 128, 178, 188, 244, 256, 356, 376, 488, 712, 752, 976, 1424, 1504, 1952, 2848, 2867, 3008, 3904, 4183, 5429, 5696, 5734, 6016, 7808, 8366, 10858, 11392, 11468, 12032, 15616, 16732, 21716, 22784, 22936, 33464, 43432, 45872, 66928, 86864, 91744, 133856, 173728, 183488, 255163, 267712, 347456, 366976, 510326, 535424, 694912, 733952, 1020652, 1070848, 1389824, 2041304, 4082608, 8165216, 16330432, 32660864, 65321728]

約数ペア:

[(1, 65321728), (2, 32660864), (4, 16330432), (8, 8165216), (16, 4082608), (32, 2041304), (47, 1389824), (61, 1070848), (64, 1020652), (89, 733952), (94, 694912), (122, 535424), (128, 510326), (178, 366976), (188, 347456), (244, 267712), (256, 255163), (356, 183488), (376, 173728), (488, 133856), (712, 91744), (752, 86864), (976, 66928), (1424, 45872), (1504, 43432), (1952, 33464), (2848, 22936), (2867, 22784), (3008, 21716), (3904, 16732), (4183, 15616), (5429, 12032), (5696, 11468), (5734, 11392), (6016, 10858), (7808, 8366)]