131337728

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:647

約数の個数: 80

約数和(自身を含む): 288731520

約数和(自身を除く): 157393792

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 256, 304, 368, 437, 512, 587, 608, 736, 874, 1174, 1216, 1472, 1748, 2348, 2432, 2944, 3496, 4696, 4864, 5888, 6992, 9392, 9728, 11153, 11776, 13501, 13984, 18784, 22306, 27002, 27968, 37568, 44612, 54004, 55936, 75136, 89224, 108008, 111872, 150272, 178448, 216016, 223744, 256519, 300544, 356896, 432032, 513038, 713792, 864064, 1026076, 1427584, 1728128, 2052152, 2855168, 3456256, 4104304, 5710336, 6912512, 8208608, 16417216, 32834432, 65668864, 131337728]

約数ペア:

[(1, 131337728), (2, 65668864), (4, 32834432), (8, 16417216), (16, 8208608), (19, 6912512), (23, 5710336), (32, 4104304), (38, 3456256), (46, 2855168), (64, 2052152), (76, 1728128), (92, 1427584), (128, 1026076), (152, 864064), (184, 713792), (256, 513038), (304, 432032), (368, 356896), (437, 300544), (512, 256519), (587, 223744), (608, 216016), (736, 178448), (874, 150272), (1174, 111872), (1216, 108008), (1472, 89224), (1748, 75136), (2348, 55936), (2432, 54004), (2944, 44612), (3496, 37568), (4696, 27968), (4864, 27002), (5888, 22306), (6992, 18784), (9392, 13984), (9728, 13501), (11153, 11776)]