217025144

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{203971}}^1$

素因数の和:204003

約数の個数: 32

約数和(自身を含む): 489532800

約数和(自身を除く): 272507656

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 203971, 407942, 815884, 1427797, 1631768, 2855594, 3875449, 5711188, 7750898, 11422376, 15501796, 27128143, 31003592, 54256286, 108512572, 217025144]

約数ペア:

[(1, 217025144), (2, 108512572), (4, 54256286), (7, 31003592), (8, 27128143), (14, 15501796), (19, 11422376), (28, 7750898), (38, 5711188), (56, 3875449), (76, 2855594), (133, 1631768), (152, 1427797), (266, 815884), (532, 407942), (1064, 203971)]