129437648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1601}}^1$

素因数の和:1803

約数の個数: 40

約数和(自身を含む): 260626176

約数和(自身を除く): 131188528

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 163, 248, 326, 496, 652, 1304, 1601, 2608, 3202, 5053, 6404, 10106, 12808, 20212, 25616, 40424, 49631, 80848, 99262, 198524, 260963, 397048, 521926, 794096, 1043852, 2087704, 4175408, 8089853, 16179706, 32359412, 64718824, 129437648]

約数ペア:

[(1, 129437648), (2, 64718824), (4, 32359412), (8, 16179706), (16, 8089853), (31, 4175408), (62, 2087704), (124, 1043852), (163, 794096), (248, 521926), (326, 397048), (496, 260963), (652, 198524), (1304, 99262), (1601, 80848), (2608, 49631), (3202, 40424), (5053, 25616), (6404, 20212), (10106, 12808)]