266530004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 517578768

約数和(自身を除く): 251048764

約数列:

[1, 2, 4, 13, 26, 52, 53, 97, 106, 194, 212, 388, 689, 997, 1261, 1378, 1994, 2522, 2756, 3988, 5044, 5141, 10282, 12961, 20564, 25922, 51844, 52841, 66833, 96709, 105682, 133666, 193418, 211364, 267332, 386836, 686933, 1257217, 1373866, 2514434, 2747732, 5028868, 5125577, 10251154, 20502308, 66632501, 133265002, 266530004]

約数ペア:

[(1, 266530004), (2, 133265002), (4, 66632501), (13, 20502308), (26, 10251154), (52, 5125577), (53, 5028868), (97, 2747732), (106, 2514434), (194, 1373866), (212, 1257217), (388, 686933), (689, 386836), (997, 267332), (1261, 211364), (1378, 193418), (1994, 133666), (2522, 105682), (2756, 96709), (3988, 66833), (5044, 52841), (5141, 51844), (10282, 25922), (12961, 20564)]