16880896

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 36497664

約数和(自身を除く): 19616768

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 61, 64, 92, 94, 122, 128, 184, 188, 244, 256, 368, 376, 488, 736, 752, 976, 1081, 1403, 1472, 1504, 1952, 2162, 2806, 2867, 2944, 3008, 3904, 4324, 5612, 5734, 5888, 6016, 7808, 8648, 11224, 11468, 12032, 15616, 17296, 22448, 22936, 34592, 44896, 45872, 65941, 69184, 89792, 91744, 131882, 138368, 179584, 183488, 263764, 276736, 359168, 366976, 527528, 733952, 1055056, 2110112, 4220224, 8440448, 16880896]

約数ペア:

[(1, 16880896), (2, 8440448), (4, 4220224), (8, 2110112), (16, 1055056), (23, 733952), (32, 527528), (46, 366976), (47, 359168), (61, 276736), (64, 263764), (92, 183488), (94, 179584), (122, 138368), (128, 131882), (184, 91744), (188, 89792), (244, 69184), (256, 65941), (368, 45872), (376, 44896), (488, 34592), (736, 22936), (752, 22448), (976, 17296), (1081, 15616), (1403, 12032), (1472, 11468), (1504, 11224), (1952, 8648), (2162, 7808), (2806, 6016), (2867, 5888), (2944, 5734), (3008, 5612), (3904, 4324)]