81474688

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 171849600

約数和(自身を除く): 90374912

約数列:

[1, 2, 4, 8, 16, 29, 32, 47, 58, 64, 94, 116, 128, 188, 232, 376, 464, 467, 752, 928, 934, 1363, 1504, 1856, 1868, 2726, 3008, 3712, 3736, 5452, 6016, 7472, 10904, 13543, 14944, 21808, 21949, 27086, 29888, 43616, 43898, 54172, 59776, 87232, 87796, 108344, 174464, 175592, 216688, 351184, 433376, 636521, 702368, 866752, 1273042, 1404736, 1733504, 2546084, 2809472, 5092168, 10184336, 20368672, 40737344, 81474688]

約数ペア:

[(1, 81474688), (2, 40737344), (4, 20368672), (8, 10184336), (16, 5092168), (29, 2809472), (32, 2546084), (47, 1733504), (58, 1404736), (64, 1273042), (94, 866752), (116, 702368), (128, 636521), (188, 433376), (232, 351184), (376, 216688), (464, 175592), (467, 174464), (752, 108344), (928, 87796), (934, 87232), (1363, 59776), (1504, 54172), (1856, 43898), (1868, 43616), (2726, 29888), (3008, 27086), (3712, 21949), (3736, 21808), (5452, 14944), (6016, 13543), (7472, 10904)]