661229504

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{827}}^1$

素因数の和:914

約数の個数: 84

約数和(自身を含む): 1461878712

約数和(自身を除く): 800649208

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 827, 832, 961, 992, 1612, 1654, 1922, 1984, 3224, 3308, 3844, 6448, 6616, 7688, 10751, 12493, 12896, 13232, 15376, 21502, 24986, 25637, 25792, 26464, 30752, 43004, 49972, 51274, 52928, 61504, 86008, 99944, 102548, 172016, 199888, 205096, 333281, 344032, 399776, 410192, 666562, 688064, 794747, 799552, 820384, 1333124, 1589494, 1640768, 2666248, 3178988, 5332496, 6357976, 10331711, 10664992, 12715952, 20663422, 21329984, 25431904, 41326844, 50863808, 82653688, 165307376, 330614752, 661229504]

約数ペア:

[(1, 661229504), (2, 330614752), (4, 165307376), (8, 82653688), (13, 50863808), (16, 41326844), (26, 25431904), (31, 21329984), (32, 20663422), (52, 12715952), (62, 10664992), (64, 10331711), (104, 6357976), (124, 5332496), (208, 3178988), (248, 2666248), (403, 1640768), (416, 1589494), (496, 1333124), (806, 820384), (827, 799552), (832, 794747), (961, 688064), (992, 666562), (1612, 410192), (1654, 399776), (1922, 344032), (1984, 333281), (3224, 205096), (3308, 199888), (3844, 172016), (6448, 102548), (6616, 99944), (7688, 86008), (10751, 61504), (12493, 52928), (12896, 51274), (13232, 49972), (15376, 43004), (21502, 30752), (24986, 26464), (25637, 25792)]