81799458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 183762432

約数和(自身を除く): 101962974

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 53, 78, 94, 106, 141, 159, 282, 318, 421, 611, 689, 842, 1222, 1263, 1378, 1833, 2067, 2491, 2526, 3666, 4134, 4982, 5473, 7473, 10946, 14946, 16419, 19787, 22313, 32383, 32838, 39574, 44626, 59361, 64766, 66939, 97149, 118722, 133878, 194298, 257231, 290069, 514462, 580138, 771693, 870207, 1048711, 1543386, 1740414, 2097422, 3146133, 6292266, 13633243, 27266486, 40899729, 81799458]

約数ペア:

[(1, 81799458), (2, 40899729), (3, 27266486), (6, 13633243), (13, 6292266), (26, 3146133), (39, 2097422), (47, 1740414), (53, 1543386), (78, 1048711), (94, 870207), (106, 771693), (141, 580138), (159, 514462), (282, 290069), (318, 257231), (421, 194298), (611, 133878), (689, 118722), (842, 97149), (1222, 66939), (1263, 64766), (1378, 59361), (1833, 44626), (2067, 39574), (2491, 32838), (2526, 32383), (3666, 22313), (4134, 19787), (4982, 16419), (5473, 14946), (7473, 10946)]