81488988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323369}}^1$

素因数の和:323386

約数の個数: 36

約数和(自身を含む): 235413360

約数和(自身を除く): 153924372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323369, 646738, 970107, 1293476, 1940214, 2263583, 2910321, 3880428, 4527166, 5820642, 6790749, 9054332, 11641284, 13581498, 20372247, 27162996, 40744494, 81488988]

約数ペア:

[(1, 81488988), (2, 40744494), (3, 27162996), (4, 20372247), (6, 13581498), (7, 11641284), (9, 9054332), (12, 6790749), (14, 5820642), (18, 4527166), (21, 3880428), (28, 2910321), (36, 2263583), (42, 1940214), (63, 1293476), (84, 970107), (126, 646738), (252, 323369)]