31605678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4357}}^1$

素因数の和:4409

約数の個数: 48

約数和(自身を含む): 76142976

約数和(自身を除く): 44537298

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 3627, 4357, 7254, 8714, 13071, 26142, 39213, 56641, 78426, 113282, 135067, 169923, 270134, 339846, 405201, 509769, 810402, 1019538, 1215603, 1755871, 2431206, 3511742, 5267613, 10535226, 15802839, 31605678]

約数ペア:

[(1, 31605678), (2, 15802839), (3, 10535226), (6, 5267613), (9, 3511742), (13, 2431206), (18, 1755871), (26, 1215603), (31, 1019538), (39, 810402), (62, 509769), (78, 405201), (93, 339846), (117, 270134), (186, 169923), (234, 135067), (279, 113282), (403, 78426), (558, 56641), (806, 39213), (1209, 26142), (2418, 13071), (3627, 8714), (4357, 7254)]