261720134

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 457272816

約数和(自身を除く): 195552682

約数列:

[1, 2, 13, 17, 26, 34, 61, 122, 221, 289, 442, 571, 578, 793, 1037, 1142, 1586, 2074, 3757, 7423, 7514, 9707, 13481, 14846, 17629, 19414, 26962, 34831, 35258, 69662, 126191, 165019, 229177, 252382, 330038, 452803, 458354, 592127, 905606, 1184254, 2145247, 4290494, 7697651, 10066159, 15395302, 20132318, 130860067, 261720134]

約数ペア:

[(1, 261720134), (2, 130860067), (13, 20132318), (17, 15395302), (26, 10066159), (34, 7697651), (61, 4290494), (122, 2145247), (221, 1184254), (289, 905606), (442, 592127), (571, 458354), (578, 452803), (793, 330038), (1037, 252382), (1142, 229177), (1586, 165019), (2074, 126191), (3757, 69662), (7423, 35258), (7514, 34831), (9707, 26962), (13481, 19414), (14846, 17629)]