218197391027

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{234989}}^1$

素因数の和:235427

約数の個数: 32

約数和(自身を含む): 281536819200

約数和(自身を除く): 63339428173

約数列:

[1, 7, 11, 31, 77, 217, 341, 389, 2387, 2723, 4279, 12059, 29953, 84413, 132649, 234989, 928543, 1644923, 2584879, 7284659, 18094153, 50992613, 80131249, 91410721, 560918743, 639875047, 1005517931, 2833732351, 7038625517, 19836126457, 31171055861, 218197391027]

約数ペア:

[(1, 218197391027), (7, 31171055861), (11, 19836126457), (31, 7038625517), (77, 2833732351), (217, 1005517931), (341, 639875047), (389, 560918743), (2387, 91410721), (2723, 80131249), (4279, 50992613), (12059, 18094153), (29953, 7284659), (84413, 2584879), (132649, 1644923), (234989, 928543)]