206917788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31991}}^1$

素因数の和:32023

約数の個数: 72

約数和(自身を含む): 612710784

約数和(自身を除く): 405792996

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 6468, 31991, 63982, 95973, 127964, 191946, 223937, 351901, 383892, 447874, 671811, 703802, 895748, 1055703, 1343622, 1407604, 1567559, 2111406, 2463307, 2687244, 3135118, 4222812, 4702677, 4926614, 6270236, 7389921, 9405354, 9853228, 14779842, 17243149, 18810708, 29559684, 34486298, 51729447, 68972596, 103458894, 206917788]

約数ペア:

[(1, 206917788), (2, 103458894), (3, 68972596), (4, 51729447), (6, 34486298), (7, 29559684), (11, 18810708), (12, 17243149), (14, 14779842), (21, 9853228), (22, 9405354), (28, 7389921), (33, 6270236), (42, 4926614), (44, 4702677), (49, 4222812), (66, 3135118), (77, 2687244), (84, 2463307), (98, 2111406), (132, 1567559), (147, 1407604), (154, 1343622), (196, 1055703), (231, 895748), (294, 703802), (308, 671811), (462, 447874), (539, 383892), (588, 351901), (924, 223937), (1078, 191946), (1617, 127964), (2156, 95973), (3234, 63982), (6468, 31991)]