38389984

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 78182496

約数和(自身を除く): 39792512

約数列:

[1, 2, 4, 8, 16, 32, 61, 71, 122, 142, 244, 277, 284, 488, 554, 568, 976, 1108, 1136, 1952, 2216, 2272, 4331, 4432, 8662, 8864, 16897, 17324, 19667, 33794, 34648, 39334, 67588, 69296, 78668, 135176, 138592, 157336, 270352, 314672, 540704, 629344, 1199687, 2399374, 4798748, 9597496, 19194992, 38389984]

約数ペア:

[(1, 38389984), (2, 19194992), (4, 9597496), (8, 4798748), (16, 2399374), (32, 1199687), (61, 629344), (71, 540704), (122, 314672), (142, 270352), (244, 157336), (277, 138592), (284, 135176), (488, 78668), (554, 69296), (568, 67588), (976, 39334), (1108, 34648), (1136, 33794), (1952, 19667), (2216, 17324), (2272, 16897), (4331, 8864), (4432, 8662)]