287830004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1077

約数の個数: 96

約数和(自身を含む): 671956992

約数和(自身を除く): 384126988

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 41, 44, 46, 77, 82, 92, 154, 161, 164, 253, 287, 308, 322, 451, 506, 574, 644, 902, 943, 991, 1012, 1148, 1771, 1804, 1886, 1982, 3157, 3542, 3772, 3964, 6314, 6601, 6937, 7084, 10373, 10901, 12628, 13202, 13874, 20746, 21802, 22793, 26404, 27748, 40631, 41492, 43604, 45586, 72611, 76307, 81262, 91172, 145222, 152614, 159551, 162524, 250723, 284417, 290444, 305228, 319102, 446941, 501446, 568834, 638204, 893882, 934513, 1002892, 1137668, 1755061, 1787764, 1869026, 3128587, 3510122, 3738052, 6257174, 6541591, 7020244, 10279643, 12514348, 13083182, 20559286, 26166364, 41118572, 71957501, 143915002, 287830004]

約数ペア:

[(1, 287830004), (2, 143915002), (4, 71957501), (7, 41118572), (11, 26166364), (14, 20559286), (22, 13083182), (23, 12514348), (28, 10279643), (41, 7020244), (44, 6541591), (46, 6257174), (77, 3738052), (82, 3510122), (92, 3128587), (154, 1869026), (161, 1787764), (164, 1755061), (253, 1137668), (287, 1002892), (308, 934513), (322, 893882), (451, 638204), (506, 568834), (574, 501446), (644, 446941), (902, 319102), (943, 305228), (991, 290444), (1012, 284417), (1148, 250723), (1771, 162524), (1804, 159551), (1886, 152614), (1982, 145222), (3157, 91172), (3542, 81262), (3772, 76307), (3964, 72611), (6314, 45586), (6601, 43604), (6937, 41492), (7084, 40631), (10373, 27748), (10901, 26404), (12628, 22793), (13202, 21802), (13874, 20746)]