291011942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{613}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 512149680

約数和(自身を除く): 221137738

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 613, 806, 961, 1178, 1226, 1922, 7657, 7969, 11647, 12493, 15314, 15938, 18259, 19003, 23294, 24986, 36518, 38006, 151411, 237367, 247039, 302822, 361057, 474734, 494078, 589093, 722114, 1178186, 4693741, 7658209, 9387482, 11192767, 15316418, 22385534, 145505971, 291011942]

約数ペア:

[(1, 291011942), (2, 145505971), (13, 22385534), (19, 15316418), (26, 11192767), (31, 9387482), (38, 7658209), (62, 4693741), (247, 1178186), (403, 722114), (494, 589093), (589, 494078), (613, 474734), (806, 361057), (961, 302822), (1178, 247039), (1226, 237367), (1922, 151411), (7657, 38006), (7969, 36518), (11647, 24986), (12493, 23294), (15314, 19003), (15938, 18259)]