12736256

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 28329840

約数和(自身を除く): 15593584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 89, 104, 128, 172, 178, 208, 256, 344, 356, 416, 559, 688, 712, 832, 1118, 1157, 1376, 1424, 1664, 2236, 2314, 2752, 2848, 3328, 3827, 4472, 4628, 5504, 5696, 7654, 8944, 9256, 11008, 11392, 15308, 17888, 18512, 22784, 30616, 35776, 37024, 49751, 61232, 71552, 74048, 99502, 122464, 143104, 148096, 199004, 244928, 296192, 398008, 489856, 796016, 979712, 1592032, 3184064, 6368128, 12736256]

約数ペア:

[(1, 12736256), (2, 6368128), (4, 3184064), (8, 1592032), (13, 979712), (16, 796016), (26, 489856), (32, 398008), (43, 296192), (52, 244928), (64, 199004), (86, 148096), (89, 143104), (104, 122464), (128, 99502), (172, 74048), (178, 71552), (208, 61232), (256, 49751), (344, 37024), (356, 35776), (416, 30616), (559, 22784), (688, 18512), (712, 17888), (832, 15308), (1118, 11392), (1157, 11008), (1376, 9256), (1424, 8944), (1664, 7654), (2236, 5696), (2314, 5504), (2752, 4628), (2848, 4472), (3328, 3827)]