217193408

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{178613}}^1$

素因数の和:178644

約数の個数: 28

約数和(自身を含む): 453679560

約数和(自身を除く): 236486152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 178613, 357226, 714452, 1428904, 2857808, 3393647, 5715616, 6787294, 11431232, 13574588, 27149176, 54298352, 108596704, 217193408]

約数ペア:

[(1, 217193408), (2, 108596704), (4, 54298352), (8, 27149176), (16, 13574588), (19, 11431232), (32, 6787294), (38, 5715616), (64, 3393647), (76, 2857808), (152, 1428904), (304, 714452), (608, 357226), (1216, 178613)]