15779968

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 33390720

約数和(自身を除く): 17610752

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 61, 64, 86, 94, 122, 128, 172, 188, 244, 344, 376, 488, 688, 752, 976, 1376, 1504, 1952, 2021, 2623, 2752, 2867, 3008, 3904, 4042, 5246, 5504, 5734, 6016, 7808, 8084, 10492, 11468, 16168, 20984, 22936, 32336, 41968, 45872, 64672, 83936, 91744, 123281, 129344, 167872, 183488, 246562, 258688, 335744, 366976, 493124, 986248, 1972496, 3944992, 7889984, 15779968]

約数ペア:

[(1, 15779968), (2, 7889984), (4, 3944992), (8, 1972496), (16, 986248), (32, 493124), (43, 366976), (47, 335744), (61, 258688), (64, 246562), (86, 183488), (94, 167872), (122, 129344), (128, 123281), (172, 91744), (188, 83936), (244, 64672), (344, 45872), (376, 41968), (488, 32336), (688, 22936), (752, 20984), (976, 16168), (1376, 11468), (1504, 10492), (1952, 8084), (2021, 7808), (2623, 6016), (2752, 5734), (2867, 5504), (3008, 5246), (3904, 4042)]