128415952

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 80

約数和(自身を含む): 293096320

約数和(自身を除く): 164680368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 109, 112, 134, 157, 218, 268, 314, 436, 469, 536, 628, 763, 872, 938, 1072, 1099, 1256, 1526, 1744, 1876, 2198, 2512, 3052, 3752, 4396, 6104, 7303, 7504, 8792, 10519, 12208, 14606, 17113, 17584, 21038, 29212, 34226, 42076, 51121, 58424, 68452, 73633, 84152, 102242, 116848, 119791, 136904, 147266, 168304, 204484, 239582, 273808, 294532, 408968, 479164, 589064, 817936, 958328, 1146571, 1178128, 1916656, 2293142, 4586284, 8025997, 9172568, 16051994, 18345136, 32103988, 64207976, 128415952]

約数ペア:

[(1, 128415952), (2, 64207976), (4, 32103988), (7, 18345136), (8, 16051994), (14, 9172568), (16, 8025997), (28, 4586284), (56, 2293142), (67, 1916656), (109, 1178128), (112, 1146571), (134, 958328), (157, 817936), (218, 589064), (268, 479164), (314, 408968), (436, 294532), (469, 273808), (536, 239582), (628, 204484), (763, 168304), (872, 147266), (938, 136904), (1072, 119791), (1099, 116848), (1256, 102242), (1526, 84152), (1744, 73633), (1876, 68452), (2198, 58424), (2512, 51121), (3052, 42076), (3752, 34226), (4396, 29212), (6104, 21038), (7303, 17584), (7504, 17113), (8792, 14606), (10519, 12208)]