257876604

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1997}}^1$

素因数の和:2235

約数の個数: 72

約数和(自身を含む): 693817488

約数和(自身を除く): 435940884

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 211, 306, 422, 612, 633, 844, 1266, 1899, 1997, 2532, 3587, 3798, 3994, 5991, 7174, 7596, 7988, 10761, 11982, 14348, 17973, 21522, 23964, 32283, 33949, 35946, 43044, 64566, 67898, 71892, 101847, 129132, 135796, 203694, 305541, 407388, 421367, 611082, 842734, 1222164, 1264101, 1685468, 2528202, 3792303, 5056404, 7163239, 7584606, 14326478, 15169212, 21489717, 28652956, 42979434, 64469151, 85958868, 128938302, 257876604]

約数ペア:

[(1, 257876604), (2, 128938302), (3, 85958868), (4, 64469151), (6, 42979434), (9, 28652956), (12, 21489717), (17, 15169212), (18, 14326478), (34, 7584606), (36, 7163239), (51, 5056404), (68, 3792303), (102, 2528202), (153, 1685468), (204, 1264101), (211, 1222164), (306, 842734), (422, 611082), (612, 421367), (633, 407388), (844, 305541), (1266, 203694), (1899, 135796), (1997, 129132), (2532, 101847), (3587, 71892), (3798, 67898), (3994, 64566), (5991, 43044), (7174, 35946), (7596, 33949), (7988, 32283), (10761, 23964), (11982, 21522), (14348, 17973)]