128921856

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{23981}}^1$

素因数の和:24007

約数の個数: 72

約数和(自身を含む): 392153664

約数和(自身を除く): 263231808

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 23981, 47962, 71943, 95924, 143886, 167867, 191848, 287772, 335734, 383696, 503601, 575544, 671468, 767392, 1007202, 1151088, 1342936, 1534784, 2014404, 2302176, 2685872, 3069568, 4028808, 4604352, 5371744, 6139136, 8057616, 9208704, 10743488, 16115232, 18417408, 21486976, 32230464, 42973952, 64460928, 128921856]

約数ペア:

[(1, 128921856), (2, 64460928), (3, 42973952), (4, 32230464), (6, 21486976), (7, 18417408), (8, 16115232), (12, 10743488), (14, 9208704), (16, 8057616), (21, 6139136), (24, 5371744), (28, 4604352), (32, 4028808), (42, 3069568), (48, 2685872), (56, 2302176), (64, 2014404), (84, 1534784), (96, 1342936), (112, 1151088), (128, 1007202), (168, 767392), (192, 671468), (224, 575544), (256, 503601), (336, 383696), (384, 335734), (448, 287772), (672, 191848), (768, 167867), (896, 143886), (1344, 95924), (1792, 71943), (2688, 47962), (5376, 23981)]