9778888

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 22302720

約数和(自身を除く): 12523832

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 56, 62, 86, 124, 131, 172, 217, 248, 262, 301, 344, 434, 524, 602, 868, 917, 1048, 1204, 1333, 1736, 1834, 2408, 2666, 3668, 4061, 5332, 5633, 7336, 8122, 9331, 10664, 11266, 16244, 18662, 22532, 28427, 32488, 37324, 39431, 45064, 56854, 74648, 78862, 113708, 157724, 174623, 227416, 315448, 349246, 698492, 1222361, 1396984, 2444722, 4889444, 9778888]

約数ペア:

[(1, 9778888), (2, 4889444), (4, 2444722), (7, 1396984), (8, 1222361), (14, 698492), (28, 349246), (31, 315448), (43, 227416), (56, 174623), (62, 157724), (86, 113708), (124, 78862), (131, 74648), (172, 56854), (217, 45064), (248, 39431), (262, 37324), (301, 32488), (344, 28427), (434, 22532), (524, 18662), (602, 16244), (868, 11266), (917, 10664), (1048, 9331), (1204, 8122), (1333, 7336), (1736, 5633), (1834, 5332), (2408, 4061), (2666, 3668)]