217104966

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^2$

素因数の和:398

約数の個数: 72

約数和(自身を含む): 525959616

約数和(自身を除く): 308854650

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 173, 186, 234, 279, 346, 403, 519, 558, 806, 1038, 1209, 1557, 2249, 2418, 3114, 3627, 4498, 5363, 6747, 7254, 10726, 13494, 16089, 20241, 29929, 32178, 40482, 48267, 59858, 69719, 89787, 96534, 139438, 179574, 209157, 269361, 389077, 418314, 538722, 627471, 778154, 927799, 1167231, 1254942, 1855598, 2334462, 2783397, 3501693, 5566794, 7003386, 8350191, 12061387, 16700382, 24122774, 36184161, 72368322, 108552483, 217104966]

約数ペア:

[(1, 217104966), (2, 108552483), (3, 72368322), (6, 36184161), (9, 24122774), (13, 16700382), (18, 12061387), (26, 8350191), (31, 7003386), (39, 5566794), (62, 3501693), (78, 2783397), (93, 2334462), (117, 1855598), (173, 1254942), (186, 1167231), (234, 927799), (279, 778154), (346, 627471), (403, 538722), (519, 418314), (558, 389077), (806, 269361), (1038, 209157), (1209, 179574), (1557, 139438), (2249, 96534), (2418, 89787), (3114, 69719), (3627, 59858), (4498, 48267), (5363, 40482), (6747, 32178), (7254, 29929), (10726, 20241), (13494, 16089)]