213406544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7489}}^1$

素因数の和:7647

約数の個数: 40

約数和(自身を含む): 448591080

約数和(自身を除く): 235184536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1096, 1781, 2192, 3562, 7124, 7489, 14248, 14978, 28496, 29956, 59912, 97357, 119824, 194714, 389428, 778856, 1025993, 1557712, 2051986, 4103972, 8207944, 13337909, 16415888, 26675818, 53351636, 106703272, 213406544]

約数ペア:

[(1, 213406544), (2, 106703272), (4, 53351636), (8, 26675818), (13, 16415888), (16, 13337909), (26, 8207944), (52, 4103972), (104, 2051986), (137, 1557712), (208, 1025993), (274, 778856), (548, 389428), (1096, 194714), (1781, 119824), (2192, 97357), (3562, 59912), (7124, 29956), (7489, 28496), (14248, 14978)]