217452352

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8431}}^1$

素因数の和:8487

約数の個数: 56

約数和(自身を含む): 479747072

約数和(自身を除く): 262294720

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 8431, 12896, 16862, 25792, 33724, 67448, 109603, 134896, 219206, 261361, 269792, 438412, 522722, 539584, 876824, 1045444, 1753648, 2090888, 3397693, 3507296, 4181776, 6795386, 7014592, 8363552, 13590772, 16727104, 27181544, 54363088, 108726176, 217452352]

約数ペア:

[(1, 217452352), (2, 108726176), (4, 54363088), (8, 27181544), (13, 16727104), (16, 13590772), (26, 8363552), (31, 7014592), (32, 6795386), (52, 4181776), (62, 3507296), (64, 3397693), (104, 2090888), (124, 1753648), (208, 1045444), (248, 876824), (403, 539584), (416, 522722), (496, 438412), (806, 269792), (832, 261361), (992, 219206), (1612, 134896), (1984, 109603), (3224, 67448), (6448, 33724), (8431, 25792), (12896, 16862)]