2647388163

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{463}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 4302950400

約数和(自身を除く): 1655562237

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 229, 287, 463, 609, 687, 861, 1189, 1389, 1603, 3241, 3567, 4809, 6641, 8323, 9389, 9723, 13427, 18983, 19923, 24969, 28167, 40281, 46487, 56949, 65723, 93989, 106027, 132881, 139461, 197169, 272281, 281967, 318081, 398643, 550507, 742189, 816843, 1651521, 1905967, 2226567, 3074783, 3853549, 4347107, 5717901, 9224349, 11560647, 13041321, 21523481, 30429749, 64570443, 91289247, 126066103, 378198309, 882462721, 2647388163]

約数ペア:

[(1, 2647388163), (3, 882462721), (7, 378198309), (21, 126066103), (29, 91289247), (41, 64570443), (87, 30429749), (123, 21523481), (203, 13041321), (229, 11560647), (287, 9224349), (463, 5717901), (609, 4347107), (687, 3853549), (861, 3074783), (1189, 2226567), (1389, 1905967), (1603, 1651521), (3241, 816843), (3567, 742189), (4809, 550507), (6641, 398643), (8323, 318081), (9389, 281967), (9723, 272281), (13427, 197169), (18983, 139461), (19923, 132881), (24969, 106027), (28167, 93989), (40281, 65723), (46487, 56949)]