128402176

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 296952320

約数和(自身を除く): 168550144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 632, 896, 907, 1106, 1264, 1792, 1814, 2212, 2528, 3628, 4424, 5056, 6349, 7256, 8848, 10112, 12698, 14512, 17696, 20224, 25396, 29024, 35392, 50792, 58048, 70784, 71653, 101584, 116096, 141568, 143306, 203168, 232192, 286612, 406336, 501571, 573224, 812672, 1003142, 1146448, 1625344, 2006284, 2292896, 4012568, 4585792, 8025136, 9171584, 16050272, 18343168, 32100544, 64201088, 128402176]

約数ペア:

[(1, 128402176), (2, 64201088), (4, 32100544), (7, 18343168), (8, 16050272), (14, 9171584), (16, 8025136), (28, 4585792), (32, 4012568), (56, 2292896), (64, 2006284), (79, 1625344), (112, 1146448), (128, 1003142), (158, 812672), (224, 573224), (256, 501571), (316, 406336), (448, 286612), (553, 232192), (632, 203168), (896, 143306), (907, 141568), (1106, 116096), (1264, 101584), (1792, 71653), (1814, 70784), (2212, 58048), (2528, 50792), (3628, 35392), (4424, 29024), (5056, 25396), (6349, 20224), (7256, 17696), (8848, 14512), (10112, 12698)]