268784516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67129}}^1$

素因数の和:67164

約数の個数: 48

約数和(自身を含む): 631559040

約数和(自身を除く): 362774524

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 67129, 134258, 268516, 469903, 738419, 872677, 939806, 1476838, 1745354, 1879612, 2953676, 3490708, 5168933, 6108739, 9599447, 10337866, 12217478, 19198894, 20675732, 24434956, 38397788, 67196129, 134392258, 268784516]

約数ペア:

[(1, 268784516), (2, 134392258), (4, 67196129), (7, 38397788), (11, 24434956), (13, 20675732), (14, 19198894), (22, 12217478), (26, 10337866), (28, 9599447), (44, 6108739), (52, 5168933), (77, 3490708), (91, 2953676), (143, 1879612), (154, 1745354), (182, 1476838), (286, 939806), (308, 872677), (364, 738419), (572, 469903), (1001, 268516), (2002, 134258), (4004, 67129)]